Home

NXAMP4x1 & NXAMP4x4 USER MANUAL v3.1

1. 2 3 4 5 6 26 27 28 29 C ANALOG INPUT A gt gt gt L gt EQ ISHELVING NXSTREAM gt EQ gt EQ by VCEQ gt 8 C ANALOG INPUT B DELAY 1 7 x ANALOG INPUT C gt ig CANALOG INPUT D gt gt commana e GLOBAL 7 VCEQ pi DISPLACEMENT 30 31 L gt D DIGITAL INPUTA ig Command MUTE gt TOAMPCHI DIGITAL INPUT B gt 8 gt FIRST DISPLACEMENT DIGITAL INPUT CO VCEQ bl DIGITAL INPUT D UN x Command PATCH FIRST DISPLACEMENT 9 gt 1 BP VCEQ gt AN x Command i 10 gt gt MECHA STRESS VCEQ gt gt HA DISPLACEMENT 1 gt x NXAMP Powered Command P P TD ntroller MECHA STRESS BP 11 VCEQ 4A BE DSP BLOCK DIAGRAM A 12 P HF DISPLACEMENT VCEQ gt H x Command i 13 gc HF ACCELERATION VCEQ pl 7 x Command 14 Si GLOBAL PURPOSE VCEQ pl Pa Command LOUSPEAKER PEAK LIMITER 1 15 Interchannel Protection From other CH 19 Command LOUSPEAKER PEAK LIMITER 2 LF TEMPERATURE
2. O O E NEXO NXESI04 O A O C NXAMP4x1 mm da I ds MU O al 5 nd o Ii O O pa SUE Y SHE Y E JUJUUUUUUUUU Power ourrurs A Ls ane PC ee le UUUUUUUUUUU Nnnnnnnnnnnn Y 4 Y 4 Please refer to User Manu for proper wiring ANADRANANAN 6 6 6 6 BAL NCED INPUTS O O O nanannnannn NEXO O O NXAMP4x1 O POWER OUTPUTS A48 00 ae y O O Y Y Y Y Please refer to User Manual for proper wi 6 BALA NCED INPUTS E O U LU LU LU LU LU LU LU LU LU LU iring 1 Remote ES100 port This port can be used to upgrade the NXAMP when a NXES104 board is fitted Be sure that no non ES100 devices are connected to the other Ethersound ports of the NXAMP 2 Ethersound IN port This port can be used to upgrade the NXAMP when a NXES104 board is fitted You can PAGE 128 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE either directly connect the computer to this port or reach the NXAMP through the Ethersound network If several NXAMP are connected together in an Ethersound network you can upgrade automatically one after the other 3 RS 232 Serial port This port can be
3. U l O O Y Y Y Y Please refer to User Manual for proper wiring BALANCED INPUTS 7 7 Slide the NXES104 board inside the rails and push it firmly inside the NXAMP Then put the two screws back to fix the NXES104 on the rear panel of the NXAMP N B Keep the NX DFLT card in a safe place as you would need to put it back if you decide to remove the NXES104 board for some reason Do not use the NXAMP Powered TDcontroller without any expansion board fitted NEXO NXAMPAx POWER OUTPUTS NXAMP with NXES104 remote control and monitoring in ESmonitor software ESmonitor software by Auvitran is a free PC based application running under Windows XP and Windows Vista permitting full control over an Ethersound or network From this software you have access to the routing of the network and to some specific control depending on the device connected NEXO provides in each revision of the NXAMP firmware the last version of the ESmonitor software that has been successfully tested with this firmware It is recommended to use PAGE 88 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER this specific version of the ESmonitor software Please refer to the ESmonitor User Manual provided by Auvitran as a pd
4. QUICK START 3 Expansion slot This slot is used for extra audio inputs and remote control See further in the manual for details about the available options Since July 2009 all NXAMP4x1s and NXAMP4x4s are shipped with an expansion card fitted in the NX DFLT card This card prevents output noises when main AC power feeding NXAMPs is brutally shutdown NX DFLT card should always be fitted in when no other expansion card is used The Presence LED on the NX DFLT card shows that the card is running properly It will light when the amplifier is powered ON also in Stand by mode 4 Power outputs Use Neutrik NL4 cable plug into these ports for safely connecting the power amplifier outputs to the cabinets The output routing is always done this way for 4 channels mode Speakon A Speakon B Speakon C Speakon D OD W Please note the symmetry between speakon A B and C D Also you can notice that Speakon B is always reverse of Speakon A and same for D and C The output routing is always done this way in bridge mode Speakon A Speakon B Speakon C Speakon D 1 1 1 1 1 1 1 1 DSL 2 2 LOS i 2 2 2 2 Gray lines shows the points of the speakon physically connected to the amplifier output but unused NB The routing from DSP channels from 1 to 4 on the front panel and the output speakon from A to D on the back panel is done automatically regarding setup configuration See Input Patch menu
5. User interface block The user interface block has already been described through the front panel description in the first part of this document Please note that all the commands and displays are available through the ESmonitor software by Auvitran through the Ethersound network except the mains switch Communication block The communication block regroups the RS232 port on a sub D9 plug and the GPIO port on a sub D25 plug The RS232 port is mainly used to upgrade the firmware of the unit from a PC computer or to connect a NEXO DPU Digital Patching Unit The pin out is given bellow View from the back of the amplifier The RxD pin is the Receive data pin from the NXAMP point of view Thus this is an input The TxD pin is the Transmit data pin from the NXAMP point of view Thus this is an output GND is the ground A crossover cable connecting RxD pin of NXAMP to TxD pin of computer and so on is needed to use this serial port Please see further the dedicated part of this document on that subject The GPIO port is a Global Purpose Input Output signals system that can be use for a wide range of application including interfacing the NXAMP with security systems and communication with NEXO DMU Digital Meters Unit There are the following signals available e 8 x General purpose output signals from NXAMP 5 Volts signals e 5 x General purpose input signals to NXAMP 5 Volts signals PA
6. il N UNUUUE NXAMP4x4 rack holes position With NXAMP4x1 because of this layout it is not possible to use some rack rails with 2 holes per rack unit see picture bellow because you will loose Y2 U of rack space on the top and bottom of the amplifier Thus continuous rack rails or with 4 holes per rack unit should be used CO0CO0OO0O0O0OC00000000000000000000 PAGE 25 OF 151 SETTING UP ADVICE Using the NXAMP without a rack If you do not put the NXAMP into a rack then it is mandatory to use the four rubber pads enclosed into the amplifier carton box These auto adhesive pads should be stuck on each corner of the bottom of the amplifier Without these rubber pads some internal components can be damaged when there is a shock for example dropping the amplifier on a table Fuses AN The fuses provided in the unit will not blow during normal operation If one of the fuses blows it means that the Powered TDcontroller has malfunctioned This fuse must only be changed by NEXO certified service personnel In any case do not replace the fuse with a non certified NEXO fuse as this will invalidate the NEXO warranty CAUTION This servicing instruction is for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so Electromagnetic environments The emission this word des
7. Depressing A amp B buttons while the NXAMP is starting this last 2 seconds At the end of the boot time the above screen should appear while the amplifier part itself starts up this last around 11 seconds and ends when you hear the output relays moving and see the Amp Protect LED shutting down Please note that you don t need to wait for the amplifier to start for choosing your cabinet setup You should then see the two up and down arrows surrounded in the above drawing This means that you can change the speaker setup by turning the wheel Select the appropriate setup by pressing OK button B or press the button A to go back to current setup without changes N B You can reset the unit without powering off by simultaneously repressing buttons A B SELECT CH1 at the same time for at least 3 seconds The setup number is blinking when the currently displayed setup is different from the one running into the DSP at the moment Selecting a new family will set all parameters to factory default settings N B The setup number 0 FLAT NO PROTN is the default setup it means no EQ Flat and no protection No Protn for the speakers but of course amplifier protections will still work PAGE 43 OF 151 MENU DESCRIPTION Adjusting Volume The volume of each channel can be adjusted from the Volume menu unit is dB Bellow is a picture of this menu NXAMPAx SELECT PEAK O AMP PROTECT PROTECT Q STAN
8. The current setup is marked with a star You can also see the setup number if the left column If you go to Show all setups mode by pressing the radio button then all the setups available in the unit will be displayed PAGE 99 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER Factory Setup selection Setup Name PS15R PA XO3 4 R515 OM 1 2 PS8 WE 4 Channels PS8 XO 2 4 LS400 1 3 RS15CD RS15CD RS150M RS150M R518 CD R518 CD R518 OM R518 OM 51210 AC WB LF 1 3 HF 2 4 Curent setup Show only setups from same family Show all setups If you recall a setup from a different family a confirmation window will appear to prevent any mistake A key combination on the computer keyboard will be then required to confirm the selection 24 Virtual front panel size In order to fit on smaller computer screen you have the possibility to reduce the size of the virtual front panel to display all the control of the unit on screen There are three sizes available Maximized the whole virtual front panel is displayed intermediate only the virtual LCD display is visible and minimized only the part above the LCD is displayed NXAMP and NXES104 with the ASIO streamer What are ASIO ASIO streamer ASIO means Audio Stream Input Output and is protocol designed to exchange audio data between computers based audio programs and soundcard Today most of professional audio software referred as ASIO ho
9. If GPInput3 is High the digital inputs will be unmuted If GPinput3 is Low the digital inputs will be muted If GPInput4 is High Saved Scene number 2 will be recalled IF GPInput 4 is Low Saved Scene number 1 will be recalled Warning Any setup can be recalled regardless of the loudspeaker family If GPInput5 is High Amplifier will go to Stand by mode If GPinput5 is Low Amplifier will go back to running mode GPOutput1 has been described above GPOutput2 reflects the GPInput2 with a small delay and without glitches GPOutput3 reflects the GPInput3 with a small delay and without glitches GPOutput4 reflects the GPInput4 with a small delay and without glitches GPOutput5 to 8 reflects the Signal LED on the front panel meaning current flowing on the output It will be possible to select a threshold in a next release a Pilot Tone generator will be implemented also PAGE 65 OF 151 MENU DESCRIPTION GPIO mode 3 CP4SW simple remote mode This mode is intended to be used with momentary High signals like push buttons It is recommended to use the Yamaha CP4SW remote control panel for DME Connect the button 1 to 4 to the GPI 1 to 4 and each LED to GPO 1 to 4 Here is the detail GPInput 1 In Going to ON or to Stand by mode In In l Meaning when set to 0 Pin Name In Out Default 7 Out Blink if NXAMP in Stand by 1 if NXAMP ON Out Min vol not reached Min vol reache
10. NXAMP Dimensions 21 5 mm 88 9 mm 21 5 mm 37 2 mm 101 6 mm 37 2 mm 480 mm NXAMP4X1 front view dimensions 480 mm NXAMP4X4 front view dimensions NXAMP4X1 and NXAMP4X4 top view dimensions PAGE 139 OF 151 DMU TECHNICAL SPECIFICATIONS DMU TECHNICAL SPECIFICATIONS Meters features Integrated vue meters 8 channels of 8 levels vue meters one per input 4 x Analog and 4 x Network Network activity 2 Leds per network input Front panel features Analog audio connectors 4 x Neutrik XLR 3 with parallel output link on XLR 3 named from A to D Network connectors 3 x Neutrik Ethercon connectors named from 1 to 3 Back panel features Analog audio connectors 4 x Neutrik XLR 3 passive connection to front panel XLR Network connectors 3 x RJ45 connectors routed to front panel through matched impedance pairs GPIO connector DB 25 for digital communication and power from host NXAMP Speficications Power supply From GPIO port 5 Volts DC 1Watts Dimensions amp weight 1U 19 Rack 50 mm 2 Depth 1 2 Kg 2 6 Ibs net Certifications cETLus CB CE CE FCC Green status Compliant with ROHS and REACH directive Ordering information Digital Meters Unit NX DMU 1 x DMU 1 x Quick Start Guide Cable Kit for DMU DMT CKIT 4 x Neutrik XLR to XLR cords 3 x RJ45 link R G B and 1 x DB 25 link DPU TECHNICAL SPECIFICATIONS Routing features Routing matrix Route any
11. A hub also known as repeater is a central connection point for computers on a star topology based network AN WARNING Due to their internal architecture repeater hubs MUST NOT be used in Dante networks Switches Dante is supported on 100 Mb or 1000 Mb Ethernet networks Be sure to use only switches compatible with these network speeds AN WARNING Some Dante compatible devices support only one of the two above speed To connect a 100 Mb only Dante device with a 1 Gb only Dante device you cannot use a direct cable but you can run through a 100 Mb 1 Gb switch Wireless LAN A local area network that transmits over the air typically but not exclusively in an unlicensed frequency band or among others infrared line of sight Wireless access points base stations are connected to an Ethernet hub or server and transmit a radio frequency that can penetrate walls and other non metal barriers Roaming users can be handed off from one access point to another like for example in a cellular phone system Wireless LANs are not suitable for Dante networks due to significant bandwidth limitations and unpredictable latency Ethernet cables and fiber optic Cables used within the Dante network are straight cables See previous description in NXES104 paragraph about different cables type and fiber optic recommendations same for both network technologies Installation inside the NXAMP To install the NXES104 c
12. FtherSound Protocol Options a 7 o Network timeout ms 50 E Log HherSound networks activity Dante Protocol Options ET 7 Enable Dante device control Dante timeout ms NB This option is only available from ESmonitor v3 16 9 AN WARNING Do not use ESservice on a distant computer when the Dante device control is enabled The ES monitor tree view From the tree view in ESmonitor you can from ESmonitor v3 20 5 and NXAMP with LOAD3_16 select NXAMP specific functions by right clicking the NXAMP See corresponding NXES104 description above for details PAGE 112 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL The control page Picture bellow shows the control page when using ESmonitor v4 1 6 and LOAD3_23 on an NXAMP powered TDcontroller with NXDT104 fitted Properties Pe Het Patch g IO Patch Wie Contral a SELECT PEAK PROTECT SIGNAL a Input Monitor i NXAMP Status RS1 OM 51210 FA 51210 PA ds 20 85 25 20k 25 20k g NXAMP Status OK 2 17 74 3B 48 B RE 2d A BC D d EFGH Setup 54 51210 PA XO RS18 0M vermute Mute All Dante ID 019 Delay 0 0m 0 0m 0 0m 0 0m 1 IE imal mie oF Info Array EQ 0 0dB 0 0dB 0 0dB 0 0dB Hardware NAAMP4x4 co E DIE TE ICE Firmware LOADS 09 Headroom 0 0d6 0 0d6 0 0dB 0 0d6 Alias NXDT104 062CFA E Motes N A We will not detail any
13. In the Options menu choose Systm Config and you will be able to choose among the different set ups within the same cabinet family i e you don t have to modify the amplifier to cabinet wiring Press All button and all setups will be available for selection Using the amplifier without the TDcontroller functionality If you want to use the amplifier without the TDcontroller just choose the FLAT mode setup In this mode no EQ and no protection is applied to the cabinets Please note that the amplifier will still have 0 5 ms analog input to analog output latency in that mode warning this latency is not the same than a NX242 TDcontroller in flat mode see introduction for compensating values In Flat mode full amplifier digital protections are still available and some functionality like volume control input patching mute delay gain and ArrayEQ are working Remote control can be used as well Back to default Startup the amplifier with the Select CH1 button down and you will have the possibility to reset the settings to default except if the local controls have been locked see further O DIGITAL TD CONTROLLER NXAMP4x1 Oo Auto save The current set up is automatically saved three seconds after the last change of a parameter At power up the last saved settings are restored Enter the download mode Keep the Mute 1 button down during boot up will enter the download mode See further for co
14. possibly causing damage to the device s or even fire e Do not use the device in the vicinity of a TV radio stereo equipment mobile phone or other electric devices Doing so may result in noise both in the device itself and in the TV or radio next to it Connections e Before connecting the device to other devices turn off the power for all devices Before turning the power on or off for all devices set all volume levels to minimum e Use only speaker cables for connecting speakers to the speaker jacks Use of other types of cables may result in fire Maintenance e Inspect the cooling fans and clean them periodically Dust and dirt can seriously degrade the effectiveness of the cooling fan and result in malfunction or fire e Remove the power plug from the AC outlet when cleaning the device Handling caution e When turning on the AC power in your audio system always turn on the device LAST to avoid speaker damage When turning the power off the device should be turned off FIRST for the same reason e Do not insert your fingers or hands in any gaps or openings on the device vents e Avoid inserting or dropping foreign objects paper plastic metal etc into any gaps or openings on the device vents etc If this happens turn off the power immediately and unplug the power cord from the AC outlet Then have the device inspected by qualified NEXO SA service personnel e Do not use the device for a long period of t
15. Adjusting Gain The gain of each channel can be adjusted from the Gain menu Bellow is a picture of this menu PAGE 45 OF 151 MENU DESCRIPTION NXAMPAx The gain value can be read on the top of the LCD screen for each channel unit is dB To change the gain for a channel select it first by pressing the corresponding Select button The channel name on screen will then be put between bracket on picture above CH2 is selected Then turn the wheel to change the gain setting from 6 to 6 dB You can select multiple channels by pressing several Select buttons at the same time When a selected channel reaches the maximum value it will cease to increase by continuing to turn the wheel but other selected channels may still increase the setting be careful not to change a gap between two channel settings when selecting multiple channels at the same time In some special circumstances cardioids setups for example it is mandatory to have same gain settings on two or more channels Then changing the gain on one of these channels will automatically adjust the gains on the other channels NB You can adjust large differences of gain between channels with the volume menu There is no difference between gain and volume setting this distinction is only done by analogy with traditional amplifiers The CPU will always check gain volume patch and headroom settings and decide what the best combination is between analog or digital g
16. Front Panel mute Unmute is still working If GPInput4 is High Channel 4 will be muted If GPInput4 is Low Channel 4 will be unmuted Front Panel mute Unmute is still working If GPInput5 is High Amplifier will go to Stand by mode If GPinput5 is Low Amplifier will go back to running mode GPOutput1 to 4 reflects the Signal LED on the front panel meaning current flowing on the output It will be possible to select a threshold in a next release a Pilot Tone generator will be implemented also The GPOutput5 to 8 reflects the Protect OR the Peak signal for each channel GPIO mode 2 Installer mode This mode is intended to be used with permanently High or Low state signals A state is validated when the state of the pin has changed and is stable for 1 second There is an action depending on the state of each GPI Here is the detail PAGE 64 OF 151 MENU DESCRIPTION Meaning when set to 0 In Out Default Meaning when set to 1 GPInput 1 Power amp can start Do not start power amp GPOutput 7 Out CH 3 no current out When starting if GPIO is set to mode 2 the NXAMP will wait that its GPInput1 pin goes Low to start the amplifier part big power supplies Once started it will put its GPOutput1 pin Low also so several amplifiers can be linked together If GPInput2 is High the analog inputs will be muted If GPinput2 is Low the analog inputs will be unmuted
17. The above warning is located on the top of the unit IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture To avoid electrical shock do not remove covers Dangerous voltages exist inside Refer all servicing to qualified personnel only The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the PRECAUTIONS provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience rec
18. When the NXAMP boots up for the first time after its firmware upgrade it will prompt the user to upgrade the boot firmware if needed NXAMPAx You have to answer Yes to the above question if not the NXAMP will be unable to run the LOAD3_23 yet you can still roll back to a previous LOAD and keep the boot in its current state The NXAMP starts the upgrade of its boot firmware NXAMP4x1 AN WARNING If the power supply is turn off during the Boot firmware update the NXAMP might become unusable and needs to be sent back to NEXO for repair Once the boot firmware has been updated the NXAMP the default screen will appear on the NXAMP screen You are now running the latest version of the firmware NXAMPAx TD CONTROLLER PAGE 135 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE Using the controller after a firmware update Choosing a cabinet setup After the download of a new firmware the NXAMP powered TDcontroller will be by default in FLAT mode it means that the audio flows from the inputs to the outputs without treatment To load the wanted setup for example GeoD or PS15 you have to reset the unit by repressing buttons A B amp Select CH1 for 3 seconds at least O DINSA TD CONTROLLER NXAMPAx Q For 3 seconds Selecting cabinet family Simultaneously repressing A amp B buttons at power up or during device RESET accesses the system change menu Keep the A amp B
19. o AK Audio 4 ch to NXAMP ASIO Mode Off Ethersound Downstream patched ASIO to NXAMP In this mode the four digital inputs of the NXES104 board are not fed by an Ethersound compatible device on the IN our OUT port but from a computer connected directly or through a LAN on the Remote ES100 port of the NXES104 running the ASIO streamer software 4 audio channels from 3rd Port Remote ES100 64 Down 64 Down IN PORT 1Y0d LNO 64 Up Y X m un pe O EN Audio 4 ch to NXAMP ASIO To NXAMP only In that mode the Ethersound title on the four digital input meters is replaced by ASIO and the Ethersound I O Patch of the NXAMP becomes unavailable NB Although remote control of the NXAMP can be done from the Ethersound IN port or from the Remote ES100 port streaming ASIO can only be done from the Remote ES100 port PAGE 97 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER ASIO to NXAMP and Ethersound network This mode is similar to the previous one except that the four audio channels from the ASIO stream coming on the Remote ES100 port can be routed on the NXAMP on one hand but also forwarded on the Ethersound network on the other hand thus feeding other amp on this network these NXAMP should then be in ASIO mode OFF 4 audio channels from 3rd Port Remote ES100 64 Down 64 Down z O a Z 64 Up Audio 4 ch to NXAMP ASIO To NXAMP and Ethersound I
20. select 4 button Delay Unit This sub menu allows changing the way the delay is displayed on the front panel of the NXAMP NXAMP4x1 To change the current delay unit press Edit Select 4 button and turn the wheel up or down to the selected unit The available options are milliseconds ms meters m or inches Once done press OK Select 4 button to validate you choice PAGE 72 OF 151 MENU DESCRIPTION Dante Id This sub menu allows changing the Dante ID of the NXAMP This menu is accessible only when a NXDT104 card is fitted into the expansion slot of the NXAMP The Dante Id is used to easily address a device on a Dante network when used in conjunction with other Yamaha compatible equipment The Dante Id is always represented with a Y followed by four hexadecimal numbers the range is from YOOO to YFFF and the default Dante Id is YOO1 NXAMPAx SELECT O To change the Dante Id press Edit Select 4 button and turn the wheel up or down to change the highest digit of the address The Y part of the Dante Id cannot be edited Then press OK Select 4 button to go to next digit and do the same If a NXDT104 card is fitted into the NXAMP The Dante Id will be displayed on the default screen of the unit like shown bellow NXAMP4x1 Output Mode By default output mode is set to Dynamic it means that if two speakers with output on Speakon 4 poles
21. 2 2 pins are set up on two adjacent speakon the controller will automatically cross the amplifier outputs to have the channel 1 outputting on Speakon A and channel 2 outputting Speakon B an so on Speakon A Speakon B 1 1 TOO LOOP 52 PAGE 73 OF 151 MENU DESCRIPTION Example of 2 x PS output routing in Dynamic mode This could be a problem when using proprietary patch panel foreseen to be used with CH1 always outputting on Speakon A 1 1 and Speakon B 2 2 In this case this menu enables to go back to Static output mode as you can see in the picture bellow whatever the speaker setup is Speakon A Speakon B 1 1 LORON a OIO Output routing in Static mode Note that if both adjacent speakers does not output on 2 2 this setting has no influence as output mode will always be like the Static one NXAMP4x1 To change the Output Routing mode press Edit Select 4 button and turn the wheel up or down to change the mode to Static or Dynamic Then press OK Select 4 button to Save the settings AN WARNING This setting is applied only after recalling a speaker setup or restarting Analog Fallback Analog Fallback is intended to provide analog audio redundancy of the digital audio inputs It works with both NXDT104 Dante and NXES104 Ethersound digital input cards AN WARNING NXDT104 should run with firmware 1C02 or above to provide this f
22. 2ms due to its conversion time The AUX is then sent to a CD12 sub while the MAIN is send to the S850 rig The first graph display the phase around the crossover point 85Hz in this case Phase Degre 180 A 180 90 y 90 f 0 90 SS LS 90 180 L 180 50 100 200 Frequency Hz Phase response between 50 and 200 Hz for S805 Phase response between 50 and 200 Hz for CD12 Phase response between 50 and 200 Hz for CD12 2 ms delay The two overlapping phases are those of the CD12 and S805 as they should be The bellow curve is the same as the above one with a 2ms delay dB dB 10 10 20 Fi 20 F 20 50 100 300 Frequency Hz Sound Pressure of S805 CD12 Sound Pressure of S805 CD12 with 2 ms delay On the magnitude graph display the difference between the well aligned system and the one with the CD12 2ms delayed The difference is 2dB at 100Hz This example is displaying the consequences of a slightly incorrect alignment If we add to this the delay introduced by a slightly different electric path plus the small delay introduced by some processing plus an EQ filter done by the user near the cut off frequency The graph above could shows differences in excess of 6dB Up to the point where the system might work better if you reverse the polarity of the sub Precautions amp check Before using the AUX send of your desk ensure that the ou
23. Buttons held until the default display appears approx 3 seconds This will allow the selection of any cabinet in any family Using the rotary encoder scroll through the configurations and press B to load the required settings DIGITAL TD CONTROLLER NXAMP4x1 E SELECT O Select your cabinet set up In the Options menu choose Systm Config and you will be able to choose among the different set ups within the same cabinet family i e you don t have to modify the amplifier to cabinet wiring or eventually between all families See above or to build your own custom setup PAGE 136 OF 151 NXAMP TECHNICAL SPECIFICATIONS NXAMP TECHNICAL SPECIFICATIONS POWER SPECIFICATIONS FOR NXAMP Powered TDcontroller Number of channels 4 channels 3 channels 2 non bridged 1 bridged or 2 channels 2 bridged NXAMP4X1 NXAMP4X4 Max output power 8 Q 1900 W non bridged 6600 W 2 channels bridged Max output power 4 Q 3300 W non bridged 8000 W 2 channels bridged Max output power 2 2 1300 W non bridged 4000 W non bridged 20 W Standby 150 W Idle 3500 W 1 8 Power SPECIFICATIONS FROM ANALOG IN TO POWER OUT Analog Inputs channels 4 channels analog inputs on XLR 3 with a second XLR 3 for linking 0 5 dB from 10 Hz to 20 KHz Input Impedance 20 KOhm Power consumption Frequency response Max Input Level Dynamic Range THD Noise Latency time Power Supply 28 dBu All C
24. D D TO AU IER SWITCH ot cg O A tsa ete ete N clos wanes atm tear etm N cos wastes T ease eae 15 7 ACMIPETE IER TIN CA TORS lia 15 Be VICI TIS PUA Ye 5 hc och al ER dl Sst adalat inde has tues ul ans ed ca andes ut 16 A ING OVE Be a die 16 9 NAVIGATION BU PONS Ae Dan ne telas 16 CO VOLUME INDICAT OR een ot nC NN Oo NOE RO eR ne 16 CA MUTE BUTTONS eia a 16 SSB BUTTONS a O ed 16 PAGE 6 OF 151 TABLE OF CONTENT OG HANNE EINDICA TORS 2 oe pied tosses ios 17 CO AIRCIN TAE a AAA AAA Da AA AE N AA AAA AN 17 LL RIE Ws OLS FOR HANDLE Void 17 BACK PANELS DESCRIPTION wcscessvisscsescavacussscvasdasecvadusnacvasdavsacusasndevncaescasesanesenesdasGanesugndcwecdanveuevansosswseenbaraseaveayeednsesentassseunieosaen 18 OMAINS CONNECTORS ci n 18 C2 BALANCEDAUDIO INPUTS VIT tai een du 18 CE PANSION SPORE tesa cba st tee cn tes gk as a D OO ae OR ee 19 MIPOWEROUTRUES AAA AAA Ada 19 OERS 2 PORT oa 19 RIO Tana a A O A 20 AREA RENO MOUNTING HOLE e nner Terr eer 20 BASIC PUNE TIONS Ss os 20 E ES a EEEE NEE ANAA E E E atc E time ee ate E A ciate EA A Meal E mod tesa te eataela ert 20 poof 2 ea NE CANE A A AA EN AAAA AE N AN E A E NS E N A N A 20 SELECT YOUR CABINET o a adams cate 21 USING THE AMPLIFIER WITHOUT THE TDCONTROLLER FUNCTIONALITY ccccccecccssccesccsccessscsseusseesesesseescsessseeecescseseseuseees 21 BACK FORDE EA UIs A nada 21 PUT AN che clot A A each eae 21 ENTER TEE DOWNLOAD MODE Re ii es Ces et ee 21 WHATS INSIDE THE
25. NXAMP WITH NXDT104 CONTROL PAGE IN DANTE CONTROLLER essessesssossosseoseoseoososseoseossooseoseoseooeooseoseoseoseossosseose 107 ROUTING AUDIO INSIDE A DAN P NETWORK a 107 ADVANCED OPTION OF THE DANTE M CONTROLLER n A E E E E a oa a 108 DENIA A T E T a E E A 109 PAGE 9 OF 151 TABLE OF CONTENT NXAMP WITH NXDT104 CONTROL PAGE IN ESMONITOR SOFTWARE cccossccccsscccsccccsscccssscccsscccsscccsccccsscccesccccsscceecees 111 ENABLING REMOTE CONTROL OF NXAMP WITH NXDT 104 IN ESMONITOR ennnccnnnccnnnoccnnnrononccnnnccnnnaconnnrononccnnnacnnnaccnnnros 112 PE Ss MONITOR FREE VIEW losa 112 JP SE OEEO EAE EEE EAE de te Se Ate oe e est s dao Lei tu nn 113 LE DANTE IDSE A e O dc 113 MORE INFORMATION ABOUT SETTING UP A DANTE NETWORK cccosssccsscccsscnssccsscccssccssccscccessccssccssccscccesccssccesccesscosccoess 114 DMU DIGITAL METERS UNITEFOR NXAMP instinto 115 FRONT PANEL DESCRIPTION a cesses sauaeacodceessceseueea cease sesevousseecetsiensavuses 115 E ANATOGINPUTS e 115 2 INPUT VIE WM TER diia 115 O ANS AS AAA In O Re Re ee ee a ee ene re ee acer re eee 115 BACK PANEL DESCRIPTION o 116 CO NETWORK OUTPUT A A eee did ee eco 116 295 ANATO OU IPUES ia ene eee Pen reo PS A tee ee ec 116 OF AUTO os ld 116 OPERATING THE DEU ii NA 116 CONNECTIONS AND STAR UP Sr en ane to ne A A A A AA A 117 DPU DIGITAL PATCHING UNIT FOR NXAMP e eeesseo0seo0seooseoosoooseosseoosesoseossososeosseosseosseoseoossooseooseooseooseooseoo
26. OF 151 NXES104 amp NXDT104 TECHNICAL SPECIFICATIONS NXES104 amp NXDT104 TECHNICAL SPECIFICATIONS NXES104 NXDT104 Network format Ethersound netwokrs Dante networks Ethernet 100 Mb TCP IP over Ethernet 100 Mb or 1 Gb Compatible networks Network type Device addressing Automatic based on MAC address Automatic based on IP address with Zeroconf Audio format 4 channels from network to NXAMP 4 channels from network to NXAMP 24 bits 48 KHz 24 bits 48 KHz 0 10 ms 0 25 ms to 5 0 ms Number of channels Resolution Sample Rate Latency Front panel features 2 shielded Neutrik Ethercon RJ45 for additional remote control 2 shielded Neutrik Ethercon Additional remote control Dante port Network inputs Additional port LEDs on network ports Tx and Rx on each port Link Act and Speed on each port LEDs on additional port Link and activity Link and activity Specifications 3 3 Volts DC 2 W from NEXO slot 3 3 Volts DC 3 W from NEXO slot Dimensions amp weight 120 x 160 x 40 mm NXAMP slot 160 g 120 x 160 x 40 mm NXAMP slot 200 g EMC certification CE FCC ICES CE FCC Green Status ROHS and REACH ROHS and REACH Power supply Ordering information Ordering code NX ES104 NX DT104 PAGE 142 OF 151 APPLICATION NOTE DRIVING THE SUB FROM THE AUX SEND Application Note Driving the Sub from the AUX send It is quite common to use the AUX send of a mixing desk to dri
27. OUT PORTES A ei 83 CH REMOTE ES LOG PORT D dat sin el aad tie tennis 83 VARIOUS ETHERSOUND DEVICES DESCRIPTION saint lon ia ana iii nil restes 84 WIONO DIRECTIONAL NON ES LOO DENICE Sisaret a E Ai este ot 84 BEDIRECTIONAE lt NON ES TOO DEVICES AS RS A SE iii 84 OOD VCS na Cauet a nd an ee an tre tn Da OR eae 84 AS LS SL D ee aa Samad E SA ea a edt 85 ETHERNET ADDITIONAL HARDWARE ti ana ann use 85 PAGE 8 OF 151 TABLE OF CONTENT PROD O A A A 85 SIMCO EEE 85 WIRELESS LAN iii iii 85 ETABRNE DT CABLES onei AA A A A A rate 86 A e 88 INSTALEATION INSIDE THE NX ANEP adoos 88 NXA MP WITH NXES104 REMOTE CONTROL AND MONITORING IN ESMONITOR SOFTWARE cccccccccccccsssssceccsssssssscscecs 88 COMPANIA ISSUES ie 89 THE ES MONITORTREE VIEW ios me te den 89 AE CONTROL PAGES ut nn coa 90 CL VASE AL FRONT PAN E eroe hth Se etn toad teas Pai lhe dail tess Nash e o 91 eZ STIS EME TE Sn AA A AAA ESA AAA AAA AE A A AA Ved aes A 91 SES PANDE BUTTON ER de A nee coo il 92 CD DELS UNE Se a ane AE 92 5 SECURIT RY LOCK oea de ete aan tn a nt et rte 92 O CRODP Re a es 92 CA CHANNELS NAME date ele ee bas oct ae aad anes ed ee done aes de nn de en an min ne can 93 SIPUT PAT ARR ARR RE Meer nt PE ER one ey ET Aer E ST MET rE a EPEETEERER Te OER A E ee 94 CO Oi Wt 2 E ME BY cere Weegee eer epee ved Ow RC Sv A ne Ne A ne 94 OMOTE BO TRON 065 soos dd in nd nee tien ne nan a tienes 94 EL WIS WINE CON TER OL SE DAS cade 94 GE GATING ON O A A A A A A ola
28. STP SFTP cables UTP stands for Unshielded Twisted Pair It is a cable type with one or more pairs of twisted insulated copper conductors contained in a single sheath It is the most common type of cabling used in desktop communications applications FTP stands for Overall Foil Shielded Twisted Pair ScTP for Screened Twisted Pair Cable is wrapped with an aluminized plastic foil That kind of cabling is not recommended for applications where the cable is repeatedly bent The foil tends to break leading to severe loss of performance over the distance PAGE 86 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER WARNING Do not use FTP cabling for live application STP stands for Shielded Twisted Pair Screen is made of copper braid SFTP stands for Overall Braid Foil Shielded Twisted Pair Foil screen and braid shield For all these cables transmission characteristics are the same The difference is the behavior with respect to electromagnetic interference We recommend cabling that has a superior quality sleeve in order to protect the cable Ideally this sleeve should halogen free in order to comply for the installation standards Bellow are cables seriously tested by Auvitran see www auvitran com for information Manufacturer cane TYPE Nas length Max length Specific comments on tested cables Reference without Error for reliability Ruggedized Cat6 Cable Shielded AWG24 BELDEN 7860E FTP 130m 110 m diffi
29. UPGRADE NEXO Weil wor Weli sile Network Devices wv EOS CON Step 1 Choose file to download MAC address Product Firmware Status sl O0 10 0 1 05 2C E2 Ne i i 2 ymload wait wats CLOADG_22 dld Ducs lt 00 10 C1 06 HOT 104 Ox 100 Download waiting Step 2 Choose port interface Serial Port COMI 8 MeLlwenrk D Link CSC S20T Gigabit Cthemet Adapter 4 Step 3 PROGRAM Mawin version 4 2 0 6 ci Meso 2009 2014 Press the PROGRAM key again note that the firmware version of the NXDT104 has changed now from Ox1C01 to Ox1C02 this is the intermediate Dante firmware If Dante firmware is already 0x1C03 the download of the NXAMP part of the firmware will begin now immediately N NEYO Firmware Loader NEXO Visil uur Web sile Network Devices WIN nexo sa COM MAC address Product Firmware Status ae FF 00 1D C1 06 2C E2 NKDT 104 Ox ico2 In progress Step 2 Choose port interface Serial Port COM1 a MeLvur k D Link DGC 5207 Gigabit Ethernet Adapter Remaining Time 2 30 NXAMP update Sending block 8 The progress of the firmware update is displayed on the NXAMP screen NXAMP4x1 At the end of the download the Nxwin will pop up to say that the download was successful NxAWind O Firmware upgraded successfully PAGE 134 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE Embedded since LOAD3_22 comes a new revision of the NXAMP boot firmware v1 37
30. be connected to the Same grounding circuit Mains setting NEXO NXAMP Powered TDcontrollers exists under two references for NXAMP4x1 and three references for NXAMP4x4 NXAMP Reference Mains Voltage Mains current NXAMP4x4U 100 to 120 Volts Max 2x 30 Amps NXAMP4x4C 220 to 240 Volts Max 2x 16 Amps 110 to 120 Volts Max 2x 30 Amps NXAMP4x4W 220 to 240 Volts Max 2x 16 Amps Each model applies to various safety standards only when use with the correct mains voltage Therefore the amplifier won t start or will stop working if the mains voltage is getting out of the following min and max limits NXAMP Reference Mains Minimum Voltage Mains Maximum Voltage NXAMP4x1U or 60 Volts 150 Volts NXAMP4x4U NXAMP4x1C or 150 Volts 288 Volts NXAMP4x4C PAGE 23 OF 151 SETTING UP ADVICE For the NXAMP4x4W this is slightly different the unit is sensing the mains voltage on power up and then will choose to boot either in 110 Volts mode or 220 Volts mode Once the NXAMP4x4W has startup up in one of the two modes it will be locked to the corresponding voltage range till next power up NXAMP4x4W Mains settings Mains Voltage when power up Mains Minimum Voltage Mains Minimum Voltage during use during use 60 to 140 Volts 60 Volts 150 Volts 140 to 160 Volts The NXAMP will not start up 160 to 288 Volts 150 Volts 288 Volts N B for all NXAMP powered TDcontroller the maximum amplifier output voltage is proportional to the m
31. channels setups like 4 x PS15 will use each analog input patched to each output but 4 way active setups like Alpha will use only one analog input patched to all the outputs Most of the time the user can freely change the way inputs are patched to the outputs However in some special circumstances like cardioids setups for example it is mandatory PAGE 54 OF 151 MENU DESCRIPTION to have same signal feeding two channels of amplifier or more In this situation changing the patch for one channel will automatically affect the other channels NXAMP4x1 NB If Analog fallback is ON see further in this manual then a warning will be displayed here to remind that even if analog input are patched they will be muted while audio network is operational NXAMP4x1 First step to change the input patch is to go to the OPTION menu see above Then select the sub menu 2 Input Patch The following menu displays the routing of the unit Each Colum represents an output speakon from A to D On the example bellow 4x PS10R2 setup you can see that input A to D are patched to PS10R2 processing channels NXAMP4x1 After a few seconds the display will show the output speakon letter automatically PAGE 55 OF 151 MENU DESCRIPTION NXAMPAx DIGITAL TD CONTROLLER Then a blank display is inserted and the first display routing to PS10R2 is displayed again Now another example using the setup PS10R2 2 4 and LS600 1
32. connected to CH4 AND this impedance is between the high and low impedance limits set up by the user see Load monitoring menu GPOutput5 is High only if amplifiers of each channel reports no fault AND the NXAMP is able to measure the impedance of the speaker s connected on all outputs AND these impedance are between the high and low impedance limits set up by the user see Load monitoring menu GPOutput6 is High only if amplifiers of each channel reports no fault useful to monitor amp status only if loudspeaker impedance monitoring is not used GPOutput7 and GPOutput8 are not used Load Monitor This menu allows setting up the NXAMP impedance monitoring function which allows to report through its GPIO port of through the Ethersound network if the speakers are correctly connected to the amplifier and ready to be used This is particularly useful for Safety installations where the status of the connected speakers should always be known and any default in the audio chain should be reported PAGE 69 OF 151 MENU DESCRIPTION There is two way of using the load monitor function 1 Either the NXAMP uses the internal HF burst generator and measure the impedance of the connected speakers for each channel at this frequency 2 The NXAMP internal HF burst generator is OFF and the audio program sent to the NXAMP contains a HF pilot tone the impedance of the speakers can still be monitored at the pilot tone frequency Than
33. eee aed Net D 94 CES DDASS Se Ba By O Si A ee ee eee a eee eer ee 94 ATARA EO ETING Senne ene ane da entr oe ica 95 LES HEADROOM SETTINGS SR eset Gand ahaa tat acaba a 95 UG PNAC TI WIR AS a a de nn di ad Na ace SO td ra A ene as els 95 EA Od Wo eee ne A O meer een eee renee ne de 95 ENOT in 96 A RO 96 20 HARDWARE AND FIRMWARE INFORMATION aos 96 ZDA SIO MODE O a ela gu A 96 ARS AN sa a 98 23 CABINET SETUP A AAA AA A a BIG A A AE TA AAA AA A 99 24 NTR WA RON DANE Le PA D PP tech esd A E sa sa ange ee 100 NXAMP AND NXES104 WITH THE ASIO STREAMER cccccsssssssccccccscccccccsssscccsssssscccccssssccccccsscssscssssssccccossssscccsssssssssssseees 100 WHAT ARE ASIO 7 ASIO STREAMER ali sie ld al eta li 100 TINS PATE ING PE AS O35 PRIA MIE a 101 SETTING UP THE Nx AMP FOR ASIO MODE ui it 101 SETTING UP PHEW SIOCONTROLPANEL a a tt 101 SETTING UP TAE ASIO HOST A Ro ecos 102 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL coccccccccccccccccccccccccccccccccccss 103 NXDT 104 PAYSICAL DESCRIPTION andara ia ds 103 CI DANTE SS PRIMARY PORT cients tates aes ti needs nn el ti le in 103 2 INET WORK PORTS STATUS LEDS is annee deu tete anne ei eee en a ant Se one 104 3 JOAN TE M SECONDAR YE OR Er Ce it de Celine nn 104 Ay REMOTE POR TL ales cues 104 ETHERNET ADDITIONAL HARDWARE iaa ca 104 O 105 ST CE PE EET A A 105 ANTE LESS LAN EEE 105 ETHERNE CABLES ANDTIDFROPTI C cerna a a AOS 105 INSTALLATION INSIDE THE N XAM P asias 105
34. equipment is PAGE 83 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER connected the right one Activity meaning that Ethernet frames are received Various Ethersound devices description Here is a short reminder about various Ethersound devices Mono directional non ES100 devices Simplest Ethersound devices are mono directional non ES100 These devices features two ports ES IN and ES OUT and can be only connected to mono directional networks 64 channels of 24bits 48 KHz Do not use them in a bidirectional part of an Ethersound network or in a network where ES100 functions are used Bi directional non ES100 devices More sophisticated Ethersound devices are bi directional non ES100 These devices features two ports ES IN and ES OUT and can be connected to both mono and bi directional networks 2 x 64 channels of 24 bits 48 KHz Do not use them in a network where ES100 functions are used NB The NEXO NX242 ES4 Digital TDcontroller is a bi directional non ES100 device ES100 devices These devices compatible with the ES100 variant of the Ethersound network are bi directional devices compatible with both mono and bi directional networks that offer new functionalities we called them the ES100 functions Here is a list of the new ES100 functions e Device to device communication With classical Ethersound implementation only the remote control computer can communicate with the various
35. for DPU containing e 2 x 4 poles 4 x 4mm speakON cable e 1 x db9 crossover null modem cable e 2 x IEC mains cable with lockable connector available with EU or US plugs can be purchased from NEXO separately Operating the DPU Using the DPU is straightforward as there is nothing to set up The only requirement is that the NXAMP firmware supports the DPU otherwise it will stay in Stand by mode with nothing patched on its front panel connectors AN WARNING NXAMP firmware should be at least LOAD3_11 for the DPU to work If not the DPU will stay in stand by with nothing routed on its outputs Connections and start up Be sure that the host NXAMP and the DPU are both disconnected from mains Connect the two four poles speakKON cables between NXAMP Speakon A and C and DPU Input A and C and connect the RS232 port between the NXAMP and the DPU using a crossover cable see serial port cabling above Then connect at least one IEC cable to one of the IEC mains inlet of the DPU The left most display should lit and the message Stand by should appear on the screen DIGITAL PATCHING UNIT Connect the NXAMP mains plug s and turn the NXAMP ON Check the LOAD revision PAGE 121 OF 151 DPU DIGITAL PATCHING UNIT FOR NXAMP while booting up it should be LOAD3_11 or above After a few second the current selected speakers on the NXAMP are routed inside the DPU and their names are displayed on the DPU screens
36. further in the manual 5 RS 232 port Through this serial port you can upload a new firmware which adds new functionalities and new cabinets setups or connect a NEXO DPU Digital Patching Unit device See further for details about the update procedure and the DPU connection PAGE 19 OF 151 QUICK START 6 GPIO port This GPIO port is used for interfacing the amplifier to security system or to allow a basic remote control of the unit NEXO DMU Digital Meters Unit device also connects here 7 Rear end mounting holes If the NXAMP is to be rack mounted and transported frequently be sure to support the rear end of the unit with mounting hardware that matches the size of the rack used Basic functions Reset You can reset the unit without powering off by simultaneously depressing buttons A B amp Select CH1 for 3 seconds at least O DIGITAL TD CONTROLLER NXAMP4x1 gt Q Oo For 3 seconds Selecting cabinet family Simultaneously depressing A amp B buttons at power up or during device RESET accesses the System Change menu Keep the A amp B Buttons held until Load revision disappears from screen approx 2 seconds This will allow the selection of any cabinet in any family Using the rotary encoder scroll through the configurations and press B to load the required settings DIGITAL TD CONTROLLER NXAMPAx j PAGE 20 OF 151 QUICK START Select your cabinet set up
37. i 18 Command y Voice Coil Temp gt Voice Coil Temp N 1 F f Command FALLBACK U Signal ChassisTemp ChassisTemp ATT REL PHYSIO 1 gt AMP VOLTAGE and i I Signal AMP CURRENT HF TEMPERATURE 17 Interchannel Protection To other CH 3 AMP STATUS Peak Command gt AMPLIFIER PEAK 25 CURRENT LIMITER 20 Command 23 AMPLIFIER INTEGRATE CURRENT LIMITER 21 a ATT REL Command AMPLIFIER PEAK 22 VOLTAGE LIMITER Command AMPLIFIER SHORT CIRCUIT DETECTOR 24 The detail of each block numbered is given bellow PAGE 36 OF 151 BLOCK DIAGRAM DESCRIPTION Patching and routing 1 Basically any combination of the four XLR analog inputs numbered A to D on the back panel can be patched to each channel of the amplifier If an expansion board is fitted the four added digital input numbered E to H can be mixed as well In this patch section digital gain is also added to optimized signal to noise on the audio path N B There is no reason why analog and digital input should be in phase so we recommend a great care when patching both analog and digital input to the same channel it should be done most of the time only as a backup solution to ensure analog feeding to the amplifier instantaneously for example if the digital input goes down Delay amp polarity inversion 2 Factory set up delay Note that each output may contain a small phase adjustment delay at the cros
38. network with five switches 1 0 msec Gigabit network with ten switches or gigabit network with 100Mbps leaf nodes gt 5 0 meer Safe valine Reset Device Reboot Factory Reset S Dante protocol includes a network latency compensation ensuring all receivers patched on the same source will output audio at the exact same time but this is only for receivers using the same receive latency AN WARNING We recommend to always set the same receive latency for all NXAMP on a Dante network The default value is 1 ms which will fit most of cases but the value can be lowered down to 0 25 ms for time sensitive applications like wedge monitoring Last tab if Network Config allowing to switch the two Primary and Secondary ports of the NXDT104 to Switched or Redundant mode Switch mode is the default mode The three network ports of the NXDT104 Primary secondary and Remote can be seen as three ports of a switch the NXAMP being connected on an internal fourth port Dante network can be connected to any of this ports and the remaining ports can be used to link to other devices on the network Each port can run independently at 1 Gb or 100 Mb depending on the connected device AN WARNING Do not connect several ports of the NXDT104 to the same switch This will create a loop and stop all traffic on all network ports of the card The Redundant mode uses the primary and secondary ports as a redundant input to the d
39. of the controls that are common with the control page when NXES104 is used Please see above in the manual the complete description of this user interface 1 Dante ID setup Here you can see or adjust the Dante ID of the NXAMP The Dante Id is used to easily address a device on a Dante network when used in conjunction with other Yamaha compatible equipment The Dante Id is always represented with a Y followed by four hexadecimal numbers the range is from YOOO to YFFF and the default Dante Id is YOO1 PAGE 113 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL More information about setting up a Dante network Check the Audinate website http www audinate com to download documentation tutorials and software related to Dante networks PAGE 114 OF 151 DMU DIGITAL METERS UNIT FOR NXAMP DMU Digital Meters Unit for NXAMP The Digital Meters Unit DMU is a 1U 19 accessory for NXAMP4x1 and NXAMP4x4 powered TDcontrollers This device is intended to monitor the input level on the four analog inputs and the four network inputs from an Ethersound or Dante network if expansion board is fitted of the NXAMP powered TDcontroller Network ports status can be monitored as well Front panel description 1 Analog inputs with link These XLR 3 connectors are intended to connect the analog audio source analog outputs of a mixer for example to the NXAMP input Both XLR3 male and female a
40. of the four input channels to one or several Speakon pins pairs on the front Front panel features Power outputs 4 Neutrik SpeakON 4 and 2 Neutrik SpeakON 8 LCD Displays 4 x Alphanumeric displays with backlight 2 lines of 8 characters Back panel features NXAMP power inputs Neutrik SpeakON 4 for connecting the NXAMP Powered TDcontroller NXAMP interface RS232 interface for communication with the NXAMP Powered TDcontroller Mains inputs 2 IEC connectors with security latch Displayed information Front panel displays Connected speaker name and mode speaker pin out connected NXAMP channel Speficications Power supply Fully redundant dual universal 100 240 Volts 50 or 60 Hz 25 Watts Dimensions amp weight 1U 19 Rack 248 mm 10 Depth 4 7 Kg 10 4 lbs net Electrical Safety Certif cETLus CB CE EMC Certification CE FCC Green status Compliant with ROHS and REACH directive Ordering information Digital Patching Unit NX DPU 1 x DPU 1 x Quick Start Guide 1 x US mains cord Cable Kit for DPU 110 V DPT CKITU 2 x US lockable power cord 1 x RS232 link 2 x SpeakON link 4x4 mm Cable Kit for DMU 220 V DPT CKITC 2 x EU lockable power cord 1 x RS232 link 2 x SpeakONO link 4x4 mm2 PAGE 140 OF 151 DMU DIMENSIONS DMU Dimensions OV A AA 480 DMU top and front view dimensions in mm DPU Dimensions 248 A AAA AAA AA AA 480 DPU top and front view dimensions in mm PAGE 141
41. only to products distributed in the United States of America Compliance with FCC regulations does not guarantee that interference will not occur in all installations If this product is found to be the source of interference which can be determined by turning the unit OFF and ON please try to eliminate the problem by using one of the following measures Relocate either this product or the device that is being affected by the interference Utilize power outlets that are on different branch circuit breaker or fuse circuits or install AC line filter s In the case of radio or TV interference relocate reorient the antenna If the antenna lead in is 300 ohm ribbon lead change the lead in to co axial type cable If these corrective measures do not produce satisfactory results please contact the local retailer authorized to distribute this type of product If you can not locate the appropriate retailer please contact the After Sales department of NEXO SA Parc d Activit du Pr de la Dame Jeanne B P 5 60128 PLAILLY The above statements apply ONLY to those products distributed by NEXO SA or its subsidiaries RISK OF ELECTRIC SHOCK DO NOT OPEN The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons
42. simply and without problem TABLE OF CONTENT TABLE OF CONTENT PRECAUTIONS oa A E E EA EAA 3 POWER SUPPLY POWER CORDES EENS e E ed E ihe ee ees 4 DO NOT OPEN iss tists ects ad ad li od dida idol 4 RD O LL 4 IF YOU NOPICE ANY ABNORMALI Yes re da o ea os ae aaa e ol a ala anio ino dad aaa de AO O 4 POWER SUPPEY POWER CORD des 4 LOCATON diana talar lala 4 CONNECTIONS 0 E 4 MAINTENANCE nn AA A A E A AAA E dni nel es dia sons dd dl aa annales dates d tete dues 4 HANDLING CAUTION cuca dnd di 4 IMPORTANT NOTICE FOR THE UNITED KINGDOM coocccococcoccococccccoccocnocononcnocononoconononocononcconooconcnocononocononcnoconcncnoconcns 6 COMPLIANCE INFORMATION STATEMENT DECLARATION OF CONFORMITY PROCEDURE 6 EUROPEAN MODELS herrea un ASA AAA SAA AAA AA 6 TABLEOF CONTENTS 0 A ASAS SAS EA EA AAA entitled eds 6 NXAMP VERSUS NX242 W HAT S NE W iia 12 WHATS REMAINING THE SAME iii race lacio 12 DS CORRE sacs ea esas e ei la e a tearm anes athe akc Seas des elec 12 EVEL D LH DIN Y enean a e s2atnconate E AS A A AAA 12 SOPIN AR II ee eee ee ee eee O ee ee 12 WHAT S CHANGED OR En nds 12 INTEGRATED AMPL Riad 12 COMPUTING RESOURCES it aia 13 FOUR SEPARA TE LNPUES a ao 13 PON RSU a e e oe e ss o e nada tos e er ee 13 ETAERSOUND OP TIONA Ts BOARD O oe 13 DANTE SO TIONAL BOAR o e oem en 13 COP TION AT DIVING sched crete sated ecb Rd Rs Sete Dan 14 OPHONAL EI sch Re re a A Goa e rest ou Se ta da E a 14 FRONT PANEL DESCRIPTION aida 15 OU
43. the encoder In most of the menus the bottom line of the LCD is used to indicate the cabinet name for each channel If this name is between brackets it means that the channel is selected Turning the encoder will then have an effect on this channel PAGE 16 OF 151 QUICK START 9 Channel indicators For each channel you have three LEDs indicator The Sense LED will light to green when a certain level of current is detected on the output meaning that a cabinet is connected and that some signal is flowing to it The Protect LED will light to yellow if the TDcontroller is applying a VCEQ protection on that channel see further for details The Peak LED will light to red to indicate that the peak limiter is working to protect the amplifier 10 Air intakes The NXAMP uses forced air cooling The variable speed cooling fan draws air in from the front and exhausts it through the rear Please be sure that you do not block the air intakes or exhaust vents Please be sure not to mix inside the same rack amplifiers with opposite air flow 11 Screw holes for handles These four screw holes are for the optional handles Fix the handles to the amplifier using the flat head screws included with the handles Screw driver or key TORX X20 is needed NB Separate handle models exist for NXAMP4x1 and NXAMP4x4 PAGE 17 OF 151 QUICK START Back panels description O a R NEXO O NEXO NX DFLT O E D O O NX
44. the patched ones will be used as audio sources for all channels When used with NXDT104 Detection of a valid audio network when using NXDT104 is quite different The validity of the network uses audio subscription It means that the NXDT104 is checking if audio packets from the patched Dante PAGE 75 OF 151 MENU DESCRIPTION Transmitter s are received correctly If the network fails somewhere cable removed switch configuration problem or transmitter is switch off for example the analog input will be unmuted even if the NXAMP is still connected to the network and remote control is working for example A typical example network is shown bellow rn ee ee ee o NXAMP 1 i I l r ANA IN j a NXAMP 2 3 i l i l l e e Digital Mixer Network Dante device non Dante devices Switches NXAMP 3 NXAMP 4 Dante te If for example the NXAMP 2 does not receive the audio packets from the subscribed source here the mixer then it will unmute the analog inputs as shown bellow Digital Mixer Jo U gt BENE Z x lt gt lt U N Network Dante device non Dante devices Switches Se ee 1 I 1 I E Z 5 gt ct eH ct O Z 9 Z gt x lt D gt lt U UJ The name of the subscribed transmitter s can be checked into the Dante Controller Device view On the bellow picture we can see for example t
45. the speaker you wish or you can copy the setup from any channel to one two or three other channels To do this first keep the Select button down for the Master channel the one that will be copied to the other channels While this channel is kept down press simultaneously the destinations channels In the example bellow channel one cabinet PS15R2 is copied to channel two three and four a NXAMPAx TD CONTROLLER 1 Keep 1 down 2 Press the other three at once DIGITAL TD CONTROLLER Once this new setup is recalled 4 x PS15R2 PA 50 20k the display will be back to channel information PAGE 53 OF 151 MENU DESCRIPTION NXAMP4x1 By depressing the cancel sign x the display is now back to default mode if the chosen setups are equivalent to a known Nexo setup then the default display is the classical one like displayed on the following picture NXAMP4x1 If the chosen setups does not match any of the NEXO four channels setups including chosen crossover frequency the display will show the speaker selected for each output NXAMP4x1 Input Patch This menu allows changing the inputs channels patched on the outputs channels of the NXAMP To access the Input Patch menu go to the Option menu and select the sub menu 2 Input Patch By default and depending on the selected speaker setup selected some or all of the four inputs will be patched to the outputs For example 4 independent
46. two mains input to separate mains circuit to ensure maximum redundancy 2 SpeakON 4 inputs These power inputs must be connected to the power outputs of the NEXO NXAMP4x4 or NXAMP4x1 powered TDcontroller e Connect the NXAMP Speakon A output to the DPU Input A input e Connect the NXAMP Speakon C output to the DPU Input C input AN WARNING Use 4 x 4 mm AWG11 cable and four poles speakON to connect NXAMP power outputs to DPU inputs 2 meters 16 feet max INPUT C TOA For input A and C use only NL4 4 poles connectors with four conductors cable AN This 4 mark indicates a dangerous electrically live terminal When connecting an external wire to this terminal it is necessary either to have a person who have received appropriate guidance on handling make the connection or to use leads or a cord that have been manufactured in such way that the connection can be made simply and without problem PAGE 120 OF 151 DPU DIGITAL PATCHING UNIT FOR NXAMP 3 RS232 port Connect this serial port to NXAMP RS232 port using a shielded crossover null modem cable only 2 meters 16 feet max with female db9 connectors on each side Bellow is the cable to be used to connect NXAMP to DPU pinout NXAMP serial port pins DPU serial port pins 2 RXD lt NXAMP Receive 3 TXD 3 TXD NXAMP Transmit gt 2 RXD 5 GND Signal ground 5 GND Other Unused Other NB A cable kit
47. upgrade the NXAMP firmware through a network port not the serial port Doing so will allow to automatically upgrade the firmware of the expansion board if needed Serial port upgrade To upgrade from the serial port you will need e A computer running Windows XP Windows Vista Windows Seven Windows 8 in 32 or 64 bit with NXwin4 installed e A serial port or an USB to serial adapter e A null modem cable crossover serial port cable with 2 DB9 female plugs See pins cabling bellow PAGE 127 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE NXAMP serial port pins PC COM port pins 2 RXD lt NXAMP Receive 3 TXD 3 TXD NXAMP Transmit gt 2 RXD 5 GND Signal ground 5 GND Other Unused Other NB The serial port cable used to connect the DPU to the NXAMP is a null modem cable you can use it together with a USB to serial adapter to upgrade your NXAMP Network port upgrade from NXES104 or NXDT104 To upgrade from a network port you will need e A computer running Windows XP Windows Vista Windows Seven Windows 8 in 32 or 64 bit with NXwin4 installed e A RJ45 Ethernet 100 Mb or 1 Gb full duplex port e Acat5 network cable crossover or straight Connect the computer to the NXAMP Locate the serial port or the one of the usable network port at the back of the controller and use the null modem cable or the crossover cable to connect the computer
48. used with or without NXES104 NXDT104 board fitted inside the amplifier However we recommend using one of the network ports if a NXES104 NXDT104 board is fitted because NXwin4 can also upgrade the firmware of the network card itself what cannot be done through the serial port 4 Dante primary secondary or remote port These ports are equivalent for firmware download you can use any of them Several amp with NXDT104 cards can be linked through the available ports and even NXAMP with NXES104 board can be connected through their Remote ES100 port allowing to upgrade at once mixed inventory of NXAMP Put the NXAMP in download mode That means power the unit ON while having the mute 1 button down powered by YAMAHA O 1 Hold the mute 1 button down and keep it down 2 Turn ON the NXAMP Powered TDcontroller The NXAMP screen will display the revision of the boot loader and then the following message will appear NXAMP4x1 PAGE 129 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE Using the NXwin4 software Use the Nxwin4_setup exe to install the software on a Windows based computer During the installation there will be an option to upgrade the Ethersound API This option will be checked by default if no Ethersound API is present on your computer or is obsolete and will be unchecked if no update is necessary We recommend leaving this option unchanged to NEXO Firmware Updater Setu
49. versions of the NXAMP firmware If a NXAMP with a firmware revision older than LOAD3_16 boots up with a NXDT104 with firmware O0Ox1C02 or above it will display the following error message NXAMPAx Please upgrade your NXAMP firmware to LOAD3_16 or above to solve this problem When booting up the NXAMP with correct LOAD3_16 or above and a NXDT104 fitted you will have to wait for some time while the NXDT104 itself is booting and provides clean audio clocks to the NXAMP This is writing on the display PAGE 106 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL NXAMP4x1 The NXDT104 boot time depends on configuration but it is usually around 20 seconds NXAMP with NXDT104 control page in Dante controller Dante controller is a PC MAC software used to discover Dante compatible devices on a network and to patch audio from one device to the other As a consequence the NXAMP fitted with a NXDT104 Dante expansion card will be visible in the Dante controller Dante controller does not take care of remote control or monitoring of Dante devices AN WARNING Dante controller can be in conflict whit other hardware software trying to monitor the Dante network status for example Yamaha CL consoles are using an embedded controller of the Dante network It is recommended to use Dante controller for patching audio over the Dante network only at setup stage and to close it
50. 0 0 m AE Array EG 0 0d6 0 0d6 0 0d6 0 006 2 AA E e e Ese Headroom 12 0d6 12 006 12 0dB 12 0dB IE ANA E ay 08 Go an DO Oo v bo O 00 868 00 GH GH O Note that only some settings are accessible to the user if then the user interface is the same than for an individual NXAMP On top of the output meters you can choose the NXAMP of the group you wish to monitor the output meters If some settings are different between two units inside the same group the corresponding control will be displayed in RED Once a control is changed in the group control page the settings will be applied to all units in the group 7 Channels name This section shows the speaker selected for each channel together with the chosen crossover Clicking any of these names allows the user to select a new family speaker mode or crossover for each output thus building a custom setup Note that some cabinets required that two channels are linked cardio speakers for example thus the next channel will be automatically recalled PAGE 93 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER Loudspeaker 3 Selection jm Serie Cabinet Name F A Bridge Cabinet Mode XO Mode E x P515R2 PA PSISR2PA vo vo PS1I5R2 PA PSIBRZPA 60 2k oe poe ok can ALPHA N B Once a custom setup has been created it can be stored into the NXAMP memory using the Scene function see bellow 8 Input Patc
51. 1 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER A Properties en Net Patch O Patch iw Control o NXAMP4x4 di PSISR PA X03 4 R515 OM 1 2 SELECT 3 PEAK amp PROTECT a SIGNAL gt 1 y amp utput Monitor NXAMP Status RS150M RS150M ae ae v NXAMP Status OK Le oan aps Setup 12 11 17 34 24 34 41 PS15R2 PA X034 36 36 36 R515 OM 1 2 45 45 rm D 5D a eee re 72 EME AAA 84 84 84 84 ABCD dF8s EFGH V dBFS V dBF5 VA dBFS V buis gl a r Settings _ YU scene ha mue Ena Set i Volume G rs set a a inf Oe int Ode inf Ode 4 3 Gair 0 0dB 0 0d8 0 0dB 0 0dB 4 E 4 E 4 k 4 13 Delay 0 0m 0 0m 0 0m 0 0m 4 k 4 E 4 13 4 13 Array EC 0 0d8 0 0d8 0 0d8 0 0d8 A cilia CI JO RTE TT RE Fimware LOAD3 0 Headroc n 0 0dB 0 0dB 0 0dB 0 0dB Alias Ge SAA St indby al at NXAMP 031752 wanes DE 0 am 0 natos me ial GJH OO OOOO DE DO OO OO KIODE Y 1 Virtual front panel This virtual front panel is a copy of the NXAMP user interface You can see the LCD display and the front panel LEDs status You can use all the push buttons and the encoder wheel by clicking with your mouse or using its wheel 2 Input meters Here you can see the input meters of the NXAMP The channels A B C and D are the four analog inputs of the unit on XLR at the back and the cha
52. 100 spkr is compatible only with mono directional Ethersound network and can only extract a maximum of four outputs Ethemet Additional hardware Hubs A hub also known as repeater is a central connection point for computers on a star topology based network Any data it receives is broadcasted to all ports and then only the computer that is listening for the data actually receives and processes the transmission Hubs are the unintelligent relatives of switches AN WARNING Due to their internal architecture repeater hubs MUST NOT be used in Ethersound networks Switches There are different types of switches using different protocols that interact with other protocols to provide all the necessary transmission services The outline for implementing protocols in altogether seven layers is defined in a worldwide ISO standard called OSI Open System Interconnection Layer 2 is the communication protocol that contains the physical address of a network device It is called the data link layer or MAC Media Access Control layer and contains the address inspected by a bridge or switch Layer 2 processing is faster than layer 3 processing because less analysis of the frame is required As the EtherSound protocol contains exclusively layer 2 information switches other than layer two must not be used AN WARNING Layer 3 and Layer 4 switches are not compatible with the Ethersound networks Only Layer 2 sw
53. 3 In that case the main and the sub are supposed to share the same speakon cable The Input Patch sub menu in the Options of the NXAMP will then display the following NXAMP4x1 Note that the position of the text shows that output speakon A 1rst column and output speakon C 3 column should be used for connecting the LS600 This is confirmed in the next display PAGE 56 OF 151 MENU DESCRIPTION NXAMPAx DIGITAL TD CONTROLLER Then a blank display appears to display clearly the limit between the two speakers parameters NXAMPAx DIGITAL TD CONTROLLER PAGE 57 OF 151 MENU DESCRIPTION NXAMPAx DIGITAL TD CONTROLLER SELECT O And the loop can start again NB The classical PSIOR2 LS600 setup also available allow using independent cable for each output if needed Speakon A and B for 2 x LS600 and Speakon C and D for 2 x PS10R2 This was for displaying the routing for each channel The user can edit the input patch for each channel simply depressing the select channel in front of the corresponding speakon For example going back to the 4 x PS10R2 setup depressing the Select 2 button will edit the input patched on the output speakon B NXAMPAx Turning the encoder allows now to adjust the input patched on this channel PS10R2 going to that output Speakon B The bottom line of the display is still displaying alternatively the speaker name PS10R2 the conc
54. ALAM E MAME F El MAME G a KAMP H Y015 NEXO MXAMP4 04 064 8 MAN E M RAMP F Gil MXAMP G Qu MOAN H Bi VO16 MES0 AMP a dore ER a WOU NES NAAMHP4 Y4 06 ce E Y1018 NEXO MXA MP ial 106 2016 Y019 MLDO MLAMPAC 06 cha E 1030 MEXO ALAM 06 ed ER a 10 25 NEXO MXA MP ial 06 26 0 a Advanced option of the Dante controller Next tab Device Status shows some generic information on the devices like Name Type should be always Bklyn2 with NXDT104 the version of the Dante firmware 3 5 3 is the last and only one at the moment of writing the IP address and Link Speed for each Primary and Secodary port NB When used in Switched mode default mode the Secondary Address and Secondary link speed is grayed This tab is useful to have a global view of the Dante devices on the network Check that all devices have an IP address assign NB NXDT104 like all Dante compatible devices supports Zeroconf protocols meaning that you dont have to enter any IP address manually If a DHCP Dynamic Host Configuration Protocol server is available on the network it will assign IP addresses to Dante devices if not they will find a unique and unused IP address by themselves AN WARNING Some manufacturers use some proprietary software layer on top of standard Dante set of protocols which sometimes does not support the use of external DHCP server We recommend letting the Dante devices in self addressing mode m
55. AMP4x1 colo ls O GPIO POWER OUTPUTS ho vu PONES OA ON ON ON OS OA OA nm M DION Please refer to User Manual for proper wiring BALANCED INPUTS SN fa N Vj N f h SN C EN Y K 4 IN Y EA A gt N A o 3 MAINS O O O O CD o y o o o o pd LV EN a gt MA e ee ME E 2 We El Ll a 1 Mains connectors This is the mains input for the NXAMP There is one mains plug on NXAMP4x1 and two mains plug on NXAMP4x4 e On NXAMP4x1 the plug is a Powercon 20A for the 100 120 Volts model ref NXAMP4x1U and a standard IEC 3 pin for the 220 Volts model ref NXAMP4x1C e On NXAMP4x4 the plugs are two Powercon 30A for the 100 120 Volts model ref NXAMP4x4U or the 110 120 220 240 Volts model ref NXAMP4x4W and two Powercon 20A for the 220 Volts model ref NXAMP4x4C The amplifier requires high power so that it can demand high current from the AC service Connections must be properly rated for reliable operation See specification part for details 2 Balanced audio inputs with link For each of the four analog audio inputs you will find an XLR3 female input connector and also an XLR3 male connector in parallel for sending back the input signal to another unit PAGE 18 OF 151
56. CARTON BOX nc i 22 S TEINGUPRADVICR aaa 23 EARTH CONNECTION iii ase 23 MAINSSETIING A aia 23 MOUNTING THE NXAMP IN A RACK GROUNDING SHIELDING amp SAFETY ISSUES cccccssssssscccccccccsssscsccccsccsssssccccssscsesccees 24 USING THE NXAMP WITHOUT A RACK ii 26 QE BE DR daa aaa 26 EEECTROMAGNETIC ENVIRONMENTS isa 26 ANALOGUE INPUT SIGNAL CABLES AA A A 26 NAAME POWER OUT PUTS WIRING lt A ia 28 GENERAL DESCRIPTION nn ES AAA SAA AA AS A a desde de 29 GLOBAL ARCHITECTURE ici aia 29 NXAMP4X GLOBAL ARCH TECTURE dd MN ele diet et 29 NXAMP4X4 GLOBAL ARCHITECTURE A ia 29 POWER SUPPLY BROCK titan fects ceca tac dl et din tn eee le Men tt da De ouate Dette ce et 30 ANACOO INPUT BOO ER Ed el nd Rate E 31 CONPROLR OOR SSSR a e a a Re e Sane Rec ee e e ceo 31 POWER AMPLIETER BLOCKS io dit 32 ARE AE IES O AMA A e II II O A A E CS re tr 32 USERINTERRACE BLOCK rt ne ER ee net eee ee ee en iii 33 COMMUNICATION DORE LEE Re creo 33 PXPANSION SLOT BLOCK SES e AN in ne sn ti gat eee 34 BLOCK DIAGRAM DESCRIPTION citar A AA AEREA 36 PATCHING AND ROU TING 1 scasiicvccescecccesnsseesacssantesssbasvestsoandaessossuvsussectasnseaevestssesisdusasnsavicanngaussanvestesuadasssosseasescsanisesauselevestene 37 DELAY amp POLARITY INVERSION 2 ainia RARA ssacecesecausecesccseusususkossvnsaanusereatencoecuseudeuisusssouecsisdecsaueontes 37 FACTORY SETUP DELAS eeraa nn ee eee ue SR Seago wes Ne cad se nei 37 USERS AS A SPOR OP OPED SOE E REPT ET SEO EE ROE O 37 EQUAT
57. CRIPTION particular area this is block 10 As with displacement VCEQ another set of mechanical stress VCEQ is needed for band pass cabinets this is block 11 HF displacement control 12 In case of passive setups a channel will deal with several loudspeakers after passing through the passive filter of the cabinet That is why as previous VCEQs deal with LF loudspeaker another set of VCEQ is needed to protect HF driver from excessive displacement HF acceleration control 13 Excessive acceleration on the HF driver can lead to the destruction of the diaphragms Another set of VCEQ is added here to protect HF driver from over acceleration Global purpose VCEQ 14 The internal structure of the VCEQs processes inside the DSP allow up to eight different VCEQ in case you need extra VCEQing for dynamic EQ or whatever Loudspeaker Peak limiters 15 These loudspeaker peak limiters are here to avoid huge amounts of power being sent to a driver Each driver is protected in temperature and displacement but there could be other factors of destruction that cannot be predicted by simulation especially mechanical damage to the cone Each driver is specified for a certain power handling and a factory set peak limiter threshold is tuned to avoid any abuse A two steps peak limiter is used here each with a separate set of threshold ratio attack and release Temperature control 16 17 The sense signal from amplifier ou
58. D BY SIGNAL The volume setting for each channel can always be clearly seen from the front panel Surrounding LED white blue around each mute button The position of the LED gives the value of the volume like it would be for a traditional analog volume pot The picture bellow gives the attenuation value for each LED The attenuation value can also be read on the LCD screen To change the attenuation for a given channel select the channel first by pressing the corresponding select button The channel name on screen will then be put between bracket see on the picture above channel 2 is selected Then turn the wheel to change the volume setting You can select multiple channels by pressing several Select buttons at the same time When a selected channel reaches the maximum value it will cease to increase by continuing to turn the wheel but other selected channels may still increase the setting be careful not to change a gap between two channel settings when selecting multiple channels at the same time Please note that all the LEDS for volume indication are white except the last one corresponding to O dB attenuation which is Blue That allows to quickly checking that all volumes are correctly set on a NXAMP powered TDcontroller PAGE 44 OF 151 MENU DESCRIPTION NB You can adjust large differences of gain between channels with the volume menu There is no difference between gain and volume setting this distinction
59. DPU front panel connectors routing The front panel of the DPU is very symmetrical and shows two groups one on grey background the other one on black background each with two SPK4 and one SPK8 For each of these blocks the internal routing of SPK4 and SPK8 is done like on the bellow picture SPK4 1 SPK4 2 This means that SPK4 and SPK8 are always connected hardwired in parallel In most of the cases only one of this plug kind will be used at a time but this parallel wiring can be useful to carry two SPK4 outputs over a SPK8 long cable for example with breakout box at the other end or to link several amplifier together see further in this manual Or course the routing from the amplifier output to these front panel connectors is done dynamically regarding the combination of four speakers setups done into the NXAMP DPU displayed information Two next speakON one SPK4 and one SPK8 will share the same LCD display In case of SPK4 output the displays will indicate some information regarding the following pinout SPK4 1 SPK4 2 Now if SPK8 output shall be used the displays will indicate some information regarding the following pinout Of course same rules apply to the next set of front panel connectors PAGE 122 OF 151 DPU DIGITAL PATCHING UNIT FOR NXAMP There is three kind of information displayed alternatively on the DPU screens But the speakon to use is always indicated clearly with arrows next to the pl
60. F 151 MENU DESCRIPTION Relay Mute This option allows disconnecting the power amplifier input from the control board thus minimizing the output noise when NXAMP is muted NB We recommend using this option only in application where extremely low output noise while muted is needed to preserve amplifier small signal relay life NXAMP4x1 Press Edit Select 4 button and turn the wheel up or down to change the mode to ON or OFF Then press OK Select 4 button to save the settings The change is immediate PAGE 78 OF 151 INSTALLATION RECOMMENDATIONS Installation Recommendations Audio Chain Recommendations About Loudspeaker Management Devices The NXAMP s factory delay presets are optimised to provide the best possible crossover between the MAIN SYSTEM and SUB systems Optimum results are always obtained for strictly identical signals feeding simultaneously all the NEXO NXAMP Digital TDcontrollers Typically this signal is delivered by the stereo bus output of a parametric graphic stereo equalizer which is fed by the stereo output of the mixing console Inserting devices such as loudspeaker management controllers that modify the phase relationship between SUB s NXAMP and MAIN SYSTEM s NXAMP inputs will lead to unpredictable results and will severely damage the final result NEXO strongly recommends avoiding use of such devices N B Do not use NEXO s TDcontrollers Analog or D
61. GE 33 OF 151 GENERAL DESCRIPTION e 4x 5 Volts outputs e 8 x GND ground signals The pin out of these signals is given bellow O O U U E m J TD TD Cc Cc rt rt ul gt mdul d9 Z anduI d9 T anduI d9 8 43ndino d9 Z ndo d9 9 andnO dd S andnO d9 y 3ndjno 49 indio da z 4ndjno d9 T 3nd3no dD 5 V Output for GPIO GND contact for GPIO View from the back of the amplifier AN It is mandatory to have a galvanic isolation between these signals and any another equipment Thus either the target equipment should present isolated GPIO system or the signal should goes through small signal relays to guarantee that the NXAMP GPIO will be isolated from the other equipment The maximum current available on the GPIO port is the following e Maximum 200 mA drawn from the totality of the 5 V outputs e Maximum 200 mA drawn from the totality of the GP Outputs with a maximum of 32 mA for each output Expansion slot block The expansion slot uses unique 80 pins connectors that will allow the user to simply fit an expansion board into the amplifier At the moment there is two expansion boards available the NXES104 Ethersound board and the NXDT104 Dante board The NXES104 is compatible with the ES 100 standard offering full remote control from a computer running ES monitor by Auvitran application and 4 channels of 24 bits 48 KHz audio from an ES network or from a PC computer through a LAN network using t
62. IPTION memory blocks by turning the wheel till the chosen memory block appears on the top line of the LCD screen Then press the Select 1 button for Save Anytime you can exit this menu by depressing the A button for Back NXAMPAx Once the button Save has been pressed you will be requested to enter the name for that user setup default name is USERSET followed by the setup number Starting from the first character turn the wheel to choose a letter and then depress the Select 4 for Next button to go to the next letter Depressing button Select 1 for Prev will go back to the previous character When the last letter has been reached press the B button again to actually save the setup A confirmation message will be displayed on screen NXAMP4x1 To recall a user setup select the memory block you want to use by turning the wheel till the chosen memory block appears on the top line of the LCD screen Then press the Select 4 button for Recall Anytime you can exit this menu by depressing the A button for Back Once the button Recall has been pressed a confirmation step is added Choose Yes to go on with recalling this is button Select 4 or No to go back to the previous screen NXAMP4x1 PAGE 60 OF 151 MENU DESCRIPTION If the selected user setup is recalling a different speaker setup that the one currently in use ano
63. ISATION S EILTERIN Cda AA A ta dent d td delete essaie ins ns 37 SUBSONICAND V El BIL TERING Sa nn ald tee 37 EQUALISING WIDEBAND ACOUSTICAL RESPONSE 3 ccscccsseeseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 38 CUNAS ee ee eer ene ee ene emer ey ies nee eee ee eee rey ies ee mee ree eee ero ne 38 EQUALISING SINGLE COMPONENT RESPONSE AND NXSTREAM PROCESSING 5 38 PAGE 7 OF 151 TABLE OF CONTENT CROSSOVER SECTION O sche Rd A lirios 38 POST PROTECTION BO AND LOW PASS D US inner ibas 38 ANS POOL roo ROR RE A 38 PROTECTIONS units 39 SOURCE SIGNALS FOR PROTECTION ALGORITHMS 25 ais 39 DISPEACEMBNE CONTRO COS OR acral cosas a aO a aE Ee aa EOS ee ne Re de dia 39 MECHANICAL STRESS CONTROLA IOI CT odos 39 HR DISPEACEMEN CONTROL 12 a 40 FIFPACCE LERA TON CONTROL RE A cada 40 GLOBAL PURPOSE VCO CR ESS A A Ad eee ie 40 LOUDSPEAKER PEA dl e 40 TEMPERATURE CONTROL LOLI AAA AAA ceo 40 INTERCHANNEE REGULA ION dado 41 AMPLIPIPR PEAR CURRENT LIMITE RO ei 41 AMPLIFIER INTEGRA TE CURRENT LIMITER eos 41 AMPLIPIER PEAK VOLTAGE OMITE dodo 41 AMPRIFIER SHORT CIRCUIT DE LES TOR es 41 MENU DESCRIPTION unit lu tue A ca 42 CHANGING CABINET RAMIS AE A A as 43 ADJUSTING VOLUME isa el id vadeasenetescecunsencue uel neecs va ssacueucoscessuedceaen yeaeeees veseacdesacssocsueseacuevelgacesesces 44 FAD IUS TING DECA ci susdeeuostoctessecatedcacsestessseene veeetaveesssesbeseossoutecsecshens 45 ADIUS
64. If GPInput2 is High Channel 2 will be muted If GPInput2 is Low Channel 2 will be unmuted Front Panel mute Unmute is still working If GPInput3 is High Channel 3 will be muted If GPInput3 is Low Channel 3 will be unmuted Front Panel mute Unmute is still working If GPInput4 is High Channel 4 will be muted If GPInput4 is Low Channel 4 will be unmuted Front Panel mute Unmute is still working If GPInput5 is High Amplifier will go to Stand by mode If GPinput5 is Low Amplifier will go back to running mode GPOutput1 is High only if CH1 amplifier reports no fault AND the NXAMP is able to measure the impedance of the speaker s connected to CH1 AND this impedance is between the high and low impedance limits set up by the user see Load monitoring menu GPOutput2 is High only if CH2 amplifier reports no fault AND the NXAMP is able to measure the impedance of the speaker s connected to CH2 AND this impedance is between the high and low impedance limits set up by the user see Load monitoring menu GPOutput3 is High only if CH3 amplifier reports no fault AND the NXAMP is able to measure the impedance of the speaker s connected to CH3 AND this impedance is between the high and low impedance limits set up by the user see Load monitoring menu GPOutput4 is High only if CH4 amplifier reports no fault AND the NXAMP is able to measure the impedance of the speaker s
65. M processing 5 This equaliser set allows acting on a specific driver after the crossover rather than on the wideband section This allows to EQ one driver without affecting the others cleaning out of band response fine tuning in a crossover All the parameters are factory set Last generation of NXSTREAM algorithm are also implemented in this section This process uses sophisticated DSP program to go beyond the limits of the conventional EQ filtering to manipulate for example the phase of the audio signal independently of the amplitude and so on Crossover section 6 Crossover between different bands is tuned for every set up of every cabinet Each crossover is customized so that each transducer will fit with its neighbor by achieving a perfect phase alignment Unconventional crossover defined filters are applied ranging from 6dB octave to near infinite slopes according to the type of crossover desired Time alignment is also unconventionally achieved by combining crossover filter group delays with all pass and or frequency dependent delays Post protection EQ and low pass 27 28 After the Protection block using VCEQ and VCAs see bellow another set of EQ low pass filtering is applied to remove some artefacts due to protection algorithm on some speaker setups Gain section 29 In this section the digital gain is applied to the corresponding channel This digital gain is computed by the CPU and depends on the user gai
66. O recommends the exclusive use of multi conductor cables to connect the system the cable kit is compatible with all the cabinets and there is no possible confusion between LF MF and HF sections Cable choice consists mainly of selecting cables of the correct sectional dimension size in relation to the load resistance and the cable length Too small a cable section will increase both its serial resistance and its capacitance this reduces the electrical power delivered to the loudspeaker and can also induce response damping factor variations For a serial resistance less or equal to 4 of the load impedance damping factor 25 the maximum cable length is given by Lmax Z X S S in mm Z in Ohm Lmax in meters The table below indicates these values for 3 common sizes Load Impedance Q 2 3 4 6 8 12 16 Cable section Maximum Length meters 2 5 mm AWG 12 5 4 mm2 4 mm AWG 10 10 ia E 48 E PAGE 28 OF 151 GENERAL DESCRIPTION GENERAL DESCRIPTION Global architecture NXAMP4x1 Global architecture The diagram bellow shows the global architecture of the NXAMP4x1 amplifier AC Supply Power Switch Power Supply Block Analog Input Block Channel 1 Channel 2 Channel 3 Channel 4 2 Channels Power Amplifier EEEngine J gt J gt User Interface Block LCD Switches Encoder LED 2 Channels Power Amplifier EEEngine Communicati
67. Powered TDcontroller there is a slot where the user can easily insert an expansion board to add digital inputs and remote control to the unit Since July 2009 all NXAMP4x1s and NXAMP4x4s are shipped with an expansion card fitted in the NX DFLT card This card prevents output noises when main AC power feeding NXAMPs is brutally shutdown ie power down at the end of the show before NXAMPs are switched off NX DFLT card should always be fitted in when no other expansion card is used The NXDT104 expansion board for NXAMP is compatible with the Dante network technology This board offers 4 digital inputs of 24 bits 48 KHz audio data from a Dante network and also remote control of the unit through the PC based application ESmonitor AN WARNING Only 48 KHz audio from Dante network is supported NB The firmware of the NXDT104 is automatically updated if needed when the firmware of the host NXAMP is updated see further in this manual NXDT104 Physical description The NXDT104 is designed to fit the NEXO s slot form factor that can be located on the back panel of the NXAMP Powered TDcontrollers NB This slot features an 80 pins internal connector that is not compatible with the Yamaha mini YGDAI slot NXDT 104 Remote NN 1 Dante Primary Port This Port running at 100 Mb or 1 Gb automatically selected features and Ethercon connector Use this type of connector to secure your Dante network from unwanted
68. R POWER ccccccccccccccccccccccccccccccccccccccccccccceccccccceess 147 GENERAL DESCRIPTION OF THE SE PU Piiccew id 147 PRECISION OF THE MEASUREMENT ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccoccccocccees 148 MEASUREMENT METHOD a a usd ocaebenundeduacedacerebis eoneedoceaneeueies 148 USABLE MAINS CORD IN EUROPE isso iii ide 149 ROHS CERTIFICATE 2000000 A OE A N OEE doses net 150 USER NOTES 40 e 151 PAGE 11 OF 151 NXAMP VERSUS NX242 WHAT S NEW NXAMP versus NX242 What s new The NXAMP Powered TDcontroller has been designed in order to provide ascendant compatibility with its predecessor the NX242 Digital TDcontroller What s remaining the same DSP core The DSP used in the NXAMP are from the same family Same core than the one used in NX242 and on the NXTENSION board Thus algorithms such as EQ will perform exactly the same on both platforms However since LOAD3_01 the firmware uses the full potential of the NXAMP s higher computing ressources see further leading to discontinuing simultaneous firmware release for both platforms Level and latency AN WARNING Up to LOAD2_54 global delays due to analog to digital and or digital to analog as well as global gain were identical on NXAMP on one side and NX242 with 26dB gain amplifiers on the other side In LOAD2_55 and above to minimize global latency especially for wedge applica
69. TINC GAN ociosa 45 ADIUSTING ARRAY LO iS TA AS AAA 46 ADJUS TINE ADROO Mio todos 47 HEADROOM CONCEP a a e ee nl e Ae ae ca el dede de a A a e a e 47 OPTIONS MENU E de SE Ne ER Am N nr 49 D DENT CON o dare a de Dan 49 NPD O A RE 54 SAVE RECALD USER SETUP di a 59 A A 61 GPIOMOD ii dd 62 IA A Sd Sn ates passa eet oan 69 MoC EAN OWS SR ceca 42 INSTALLATION RECOMMENDATIONS vraa nn td tn nt nn dette 79 AUDIO CHAIN RECOMMENDATIONS nan is ani NN in an inst nil ae 79 ABOUT LOUDSPEAKER MANAGEMENT DEVICES ccssccccssecseccveccessecoecnccccscucoseccuccecvecssecsseseseeenvascusceseucceesbacscesecsoccbeccacsees 79 OPERATING SUB S FED THROUGH AN AUX OUTPUT 0 cccccsseccsscccscccssccsscccsscesscesscccsscesscssseesscesscsssseesccesscessecsccesscessceesseesccs 79 OPERATION OF MULTIPLE POWERED TDCONTROLLERS cccccscccsscccscccscceusccusccecccusceusccuscceusccusccecceusceusceucceesceusceusceeuesensess 79 NS AO A A D EI LED DIN MR TO 79 GE OME RICA A GNI EN SR a A eee la muet 80 MEASURING AND ALIGNING PHASE IN THE OVERLAPPING REGION cscccsccssccsscesccesccsccesccsceuccesseusceuccesseussenccesseusceccesceussensees 80 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER 00ccccsssccsssccssscccsscccsscsccscvees 82 NXES104 PHYSICAL DESCRIPTION as 82 Cl ETHER SOUND PUN POR Re tement eme ee andre tement ee mets tdi tement One San 83 2 THERSOUND M NETWORK STATUS LEDS clio 83 3 EE THERSOUND M
70. Thus any ASIO host will have the possibility to output sound on this virtual soundcard 2 A control panel named AVS AsioControlPanel in which you can select which NXAMP on your LAN network will be the physical receiver of the audio data sent by the Host Setting up the NXAMP for ASIO mode See the NXAMP control page in ESmonitor software above for details Setting up the AsioControlPanel The settings are very straightforward Here is a picture of the AVS AsioControlPanel The ASIO settings should be let unchanged in most of the cases See the ASIO streamer user manual on the Auvitran website for details about these settings and troubleshooting ES AVS AsioControlPanel i About ASIO settings Buffer size samples 1024 Y Clear ASIO buffer on init stop Input latency 22 667 ms Output latency 490 333 me Network settings Network adapter Intel FR 8257 7LM Gigabit Network Connection Network audio device Select MAC address Sample rate L Ocount Status NXAMP 0317DC O0 0e 55 03 17 de 48000H7 44 Cancel In Network settings select the network adapter of you computer connected to the target NXAMP or through the LAN connected to the target NXAMP NB Connecting through a Wi Fi adapter is possible but not recommended because of potential packets drop that can be responsible of periodical audio mute PAGE 101 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER I
71. WIRING SHALL BE USED So a HU ae NS Jen T AB 2 lt lt lt lt aa a TT Mi SPK4 Link between DPUs NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE NXwin4 software for NXAMP firmware upgrade Please check regularly on NEXO website www nexo sa com for NXAMP Powered TDcontroller firmware upgrade These upgrades are freely downloadable and can improve e NEXO s setup for cabinets including new setups for new products e NXAMP firmware functions e NXAMP remote control functions AN WARNING NXAMP Powered TDcontroller delivered with a LOAD_OOx firmware contains FLAT firmware only no NEXO cabinet setup installed so it is mandatory to upgrade the firmware of the unit to the last available firmware that you will find on our website NXAMP Powered TDcontroller delivered with LOAD2_53 or higher contains all NEXO speakers setups known at the moment but upgrade can be needed for new products Please check the setup list in a separate document What you need to upgrade your NXAMP NXAMP can be upgraded either e By its serial port RS 232 e By its Ethersound IN or Remote ES100 port if a NXES104 board is fitted e By any of the network ports of a NXDT104 board NB Upgrade through one of the above Ethersound ports when the unit is a Primary Master This provides faster results than the other solution AN WARNING When a NXES104 or NXDT104 board is fitted into the unit be sure to
72. a small delay and without glitches GPIO mode 4 CP4SW setup switcher mode This mode is intended to be used with momentary High signals like push buttons It is recommended to use the Yamaha CP4SW remote control panel for DME Connect the button 1 to 4 to the GPI 1 to 4 and each LED to GPO 1 to 4 Here is the detail Pin Name Out On each Impulse From O to 1 and back to 0 GPInput 1 Select scene 1 cep ut e O raPinputs m Selets nes OOOO mws m Tusa O OOOO Meaning when set to 0 PinName In Out Meaning when set to 1 when set to 1 rat rGPOutputt Out Scenetnotinuse Scenel muse rGPOutput2 out Scene2notinuse Scene2inuse GPInput 4 impulse out to other amp When an impulse is detected on GPInput1 User setup 1 is recalled Warning Any setup can be recalled regardless of the loudspeaker family When an impulse is detected on GPInput2 User setup 2 is recalled Warning Any setup can be recalled regardless of the loudspeaker family When an impulse is detected on GPInput3 User setup 3 is recalled Warning Any setup can be recalled regardless of the loudspeaker family When an impulse is detected on GPInput4 User setup 4 is recalled Warning Any setup can be recalled regardless of the loudspeaker family PAGE 67 OF 151 MENU DESCRIPTION GPOutput1 is ON when setup 1 has been recalled GPOutput2 is ON when setup 2 has been recalled GPOutput3 is ON when setup 3 has been recalled GPOut
73. ain to optimize the dynamic range of the system Adjusting Array EQ The Array EQ of each channel can be adjusted from the Array EQ menu Bellow is a picture of this menu NXAMP4x1 The Array EQ value can be read on the top of the LCD screen for each channel unit is dB To change the Array EQ for a given channel select the channel first by pressing the PAGE 46 OF 151 MENU DESCRIPTION corresponding Select button The channel name on screen will then be put between bracket see on the picture above channel 2 is selected Then turn the wheel to change the Array EQ setting from 6 dB to 6 dB You can select multiple channels by pressing several Select buttons at the same time When a selected channel reaches the maximum value it will cease to increase by continuing to turn the wheel but other selected channels may still increase the setting be careful not to change a gap between two channel settings when selecting multiple channels at the same time In some special circumstances cardioids setups for example it is mandatory to have same Array EQ settings on two or more channels Then changing the Array EQ on one of these channels will automatically adjust the Array EQ on the other channels Adjusting Headroom The headroom of each channel can be adjusted from the headroom menu Bellow is a picture of this menu NXAMP4x1 The headroom value can be read on the top of the LCD screen for each channel uni
74. ains voltage Mounting the NXAMP in a rack Grounding shielding amp safety issues The NXAMP Powered TDcontroller is intended for rack mounting The only accessible part during use shall be the front panel of the unit Any space above or under the TDcontroller Shall be obstructed with a blank panel The rack is a free grounding and shielding structure and it provides extra shielding Therefore it is desirable that the screws used to fix the NXAMP Powered TDcontroller in the frame or rack provides an electrical contact between the chassis of the TDcontroller and the rack The primary reason for grounding is safety Conformance to the applicable requirements of the authorities having jurisdiction is of course mandatory However grounding also has an impact on electromagnetic compatibility From the EMC point of view it is desirable to have a low impedance ground network as a current flowing in the ground network will then produce low voltage in the network A low impedance network can be obtained using a multipoint ground scheme with as many closed ground loops as is economically possible Because of the amplifier weight it is mandatory to fix the amplifier both from the front panel and from the rear ears The picture bellow shows the dimensions between the rack holes on the front panel PAGE 24 OF 151 SETTING UP ADVICE 21 5 mm 88 9 mm 21 5 mm NXAMP4x1 rack holes position 37 2 mm 101 6 mm
75. ample the S2 and the B1 15 has no alternate information to display but the M3 output will show that 3 3 pins are connected to the MF whereas the 4 4 are connected to the HF speaker of the cabinet DIGITAL PATCHING UNIT 3 Amplifier channel The amplifier channel in use on each output is also shown alternatively with the displays above For example in the four PS15R2 channels case DIGITAL I PATCHING UNIT DIGITAL I PATCHING UNIT Unused front panel connectors The DPU will always try to use the maximum of outputs available to fit all the need of the user without external adaptor or difficult cabling Thus sometimes the same channel is routed on several outputs Even if the DPU will never output a speaker signal on a wrong pinout check the display information to be sure to load the wanted amplifier channel In the bellow example a setup using PS10R2 LS600 PS8 LS400 is selected Note that each amplifier channel is duplicated on several output allowing to have the same cable to feed PS on 2 2 and LS on 1 1 or use separate cable NB In the example above if the user want to have PS10R2 and LS400 on the same cable PAGE 124 OF 151 DPU DIGITAL PATCHING UNIT FOR NXAMP then a setup with PS10R2 LS400 PS8 LS600 should be recalled Linking several DPU together With some speakers setup it could be useful to link several DPU together For example with active setups using NXAMP4x1 for HF and NXAMP4x4 f
76. ard inside an NXAMP Powered TDcontroller first remove the two screws on each side of the NX DLFT card on the rear of the amplifier Keep these screws as they will be used with the NXDT104 card Use a small screwdriver to slightly separate the card from the NXAMP chassis and remove it PAGE 105 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL O CA aa on NEXO O NEXO NX DFLT O A O O NXAMPAx ella 5 O POWER OUTPUTS i BALANCE os m of al MEN A Slide the NXDT104 board inside the rails and push it firmly inside the NXAMP Then put the two screws back to fix the NXDT104 on the rear panel of the NXAMP YO NB Keep the NX DFLT card in a safe place as you would need to put it back if you decide to remove the NXDT104 board for some reason Do not use the NXAMP Powered TDcontroller without any expansion board fitted Oran NEXO O NXAMP4x1 POWER OUTPUTS J J D J J N A ON SN AN ON EN ON TON OX r BALANCED INPUTS AN WARNING Once a NXDT104 has been upgraded to firmware Ox1C02 it cannot be used any more with previous
77. before running a live show Routing audio inside a Dante network Bellow is a picture of the first tab the audio routing matrix page in the Dante controller Showing 1 x Yamaha CL5 console 2 x Yamaha RIO3224 stage boxes 2 x NXAMP4x1 with NXDT104 and 9 x NXAMP4x4 with NXDT104 The top row shows the audio sources and the left most column shows the audio receivers Simply click at the intersection of a source column with a receiver line to patch the audio channel from the source to the destination NB Patching a source to a receiver can take a few seconds before being effective PAGE 107 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL E e Help 34 de Master Clock 100 1 lt L5 WEXO 1 BLoutna Cros Statues Chick Status Events udinate Fiber Transmitters de cl ela co 540 u CN ES ea ra SUBSURS ESSA NNT EN AA RA NAAM ARAM RAARAMABARS TO OTOSSSTRAUARARERES SUS ib che YOO CLS KEXO Fiber Receters Dante Transmitterz YO016 MEZO AAMHP ic 06 Joc 017 5 Pd zo TOE MESO GAAP Oe O 1 MEXOI AGA IPS 0 POZ MEO APid O25 SEO AM Pd Db 2c Dante Recewers OD MEJO MAMI ae EL OLA O AMP G Ml MAFF H a E YO0L CLS NEXO O Voth RTOS 224 MEN LJ YOO RIO3224 NEtO F VOUS ML OU MICA MPa 00 EH AICAMP E LI MAME F fl MEAFG O NAME H a 1013 NEXO AXA MP 424 06 dod HAM L mM POLAR Ml ALAM G LI CA H YOI MLXO NAAMPJ 06 toda
78. can then choose the speaker model among this Serie NXAMPAx In the above example the PS15R2 has been selected You can now choose between normal mode and bridge mode for this speaker PAGE 51 OF 151 MENU DESCRIPTION NXAMP4x1 Once the bridge mode has been selected or not in our example you will be prompt to choose among various speaker mode if available In the case of the PS15R2 the mode is either Normal or MON for monitoring application Let s select the standard mode in this example NB if only one mode is available for the selected speaker this step will be skipped NXAMPAx Now the latest part of this custom setup for a specific channel is to choose among the available crossover when available Most passive cabinets and subs offer multiple crossover options but HF output for active cabinets usually has just one NB if only one crossover is available for the selected mode this step will be skipped NXAMP4x1 Once the OK button is pressed the display goes back to the four channel information display while the selected speaker for CH1 is recalled into the NXAMP NB If another channel is mandatory linked to the selected one for example back and front speakers of a CARDIO speaker then the next channel will be automatically recalled PAGE 52 OF 151 MENU DESCRIPTION NXAMP4x1 Now you can choose between one of the following solutions Either you enter the other channel and setup
79. chassis The PAGE 26 OF 151 SETTING UP ADVICE TDcontroller can sustain high current in pin 1 without degradation of output noise We recommend that the sources and loads you use have the same desirable characteristics It is sometimes claimed that connecting cable shield at both ends creates ground loops and that the current flowing in such loops will produce noise This is not the case for most professional audio equipment In short there are two kinds of loops in which voltages are present the loops formed by signal wires and the loops formed by grounded conductors among which are protective earth conductors PE and signal cable shields Mixing Desk Safety PE Ground NXAMP4x1 IN POWER OUT When a cable shield is grounded at both ends a loop is closed and the resulting current causes a reduction of the voltage induced on signal lines This effect is what the cable Shield is intended to produce since this is how it protects your signal from magnetic fields If you are using an asymmetrical unbalanced source not recommended it is best to use a shielded twisted pair and to connect wire 3 of the cable to the shield at the source output end see figure bellow Mixing Desk Safety Ground This technique prevents noise currents flowing on the return path of the signal Note that this is only acceptable for a short cable PAGE 27 OF 151 SETTING UP ADVICE NXAMP power outputs wiring NEX
80. city It is used in situations where a network may suffer from environmental conditions e g lightning such as in LAN connections between buildings Fiber optic is also very valuable where electronic emissions or electro magnetic interferences may have an impact on the network e g on particular factory floors Furthermore fiber optic cables and Ethernet standard allow for segments up to two km 1 24mi long cf thin coaxial e 185m 607ft UTP e 100m 328ft and thus permit to connect remote nodes and buildings that otherwise would not be accessible To use Fiber Optic cable in EtherSound networks Media Converters or dedicated Ethersound devices such as AVAVRed ES100 FoNeutrik EtherSound Redundant link with 2 multimode optical OptiCon Neutrik connectors must be used Installation inside the NXAMP To install the NXES104 card inside an NXAMP Powered TDcontroller first remove the two screws on each side of the NX DLFT card on the rear of the amplifier Keep these screws as they will be used with the NXES104 card Use a small screwdriver to slightly separate the card from the NXAMP chassis and remove it O OA aaa ad NEXO NEXO NX DFLT O ae eS ee eee O q NXAMP4x1 olo Presence olo RS232 2 C DO NOT REMOVE NX DFLT IS a FOR DEFAULT CONFIGURATION POWER OUTPUTS on
81. cribes all types of electromagnetic noise radiated by the equipment requirements which have been applied to Nexo s Powered TDcontrollers are the stringent requirements of the Commercial and light industrial environment of the product family EMC standard for emission The immunity this word describes the ability to cope with electromagnetic disturbance generated by other items and natural phenomena requirements that we have considered exceed those applicable to the Commercial and light industrial environment of the product family EMC standard for immunity In order to provide a further safety margin we recommend that you do not operate the Powered TDcontrollers in the presence of electromagnetic interference exceeding half of the limits found in this standard These two EMC standards are those applicable to pro audio equipment for the implementation of the EMC directive Analogue input signal cables Analogue signals should be connected to the input ports of the NXAMP Powered TDcontroller via shielded twisted pair or Starquad cable fitted with XLR connectors on the NXAMP side We recommend the use of low transfer impedance cables with a braided shield and transfer impedance below 10 mQ m The NXAMP Powered TDcontroller is intended to be used with symmetrical balanced sources for instance a mixer see figure bellow You can see that the TDcontroller provides a low impedance path between pin 1 of its XLR connectors and its
82. cters display will allow the user to quickly setup the amplifier Please note that in stand by mode the backlight of the LCD remains on even if nothing is displayed 4 Encoder The default function of the encoder is to adjust the volume of the amplifier But depending on the current menu displayed on the LCD other functions can be affected such as delay adjustment or speaker setup selection 5 Navigation buttons A amp B These two buttons are used most of the time to navigate through the menus However depending on the LCD display they can be used for a specific purpose Anytime pressing the two buttons simultaneously will instantly enter the Volume menu allowing the user to adjust the volume for each channel using the encoder 6 Volume indicators These surrounding LEDs will indicate the position of the volume control for each channel similar to the position given by analog potentiometers on classical amplifiers If a channel is muted corresponding Mute button will lit red but the position of the volume control will blink alternatively for that channel allowing the user to know what will be the level once the channel is unmuted 7 Mute buttons Whatever the current menu is pressing the mute button will set or release the mute of the chosen channel The button will turn to red if the channel is muted 8 Select buttons Use the select buttons to choose the channel on which you want to adjust parameters with
83. cult to fit in standard RJ45 male plugs Blue BELDEN 1875GB UTP 120m 100 m Flat smooth ruggedized Cat6 Cable no gt shield White Really smooth ruggedized cat5e Look like a CAEGROUPE AudioLan FTP 85m 75m mic Cable a little bit hard to mount on RJ45 at the beginning Black Ruggedized Cat5e cable really good for CAEGROUPE AX CA23653 S FTP 140m 120 m exteriors SFTP One shield fold per pair Green Sk Ruggedized Cat5e cable very good live nn 00e A LS oo cable SFTP One shield fold per pair Black Really Ruggedized Cat5e cable Does not fit DRAKA 799090 S FTP 140 m 120 m in standard RJ45 male plugs 0 22m SFTP One fold per pair Black DRAKA CT2672600 FTP 100m 90 m Ruggedized Cat5e cable Black IP20 System E Harting cables 4 pole S TP 1100 m 100 m Industrial Ethernet stranded cable KLOTZ PRAMCA ere Pom 65 m STP stranded AWG26 100 ohms KLOTZ RC5 SU U UTP 100 m 90 m AWG24 1 Et be Very smooth Ruggedized Cat5 Without any LINK UTP 85m 75 m shield so be careful with EMC problem Extraflex Cat5 Black Eurocable 7 Ruggedized Cat5 cable very good live cable LEUR Extraflex Cat5 on misil ii Black Neutrik a S FTP 90 m 80 m Cat5E Cable Shielded ES CT2672601 Proplex PCCATSEP 97 m 85 m Cat5E Cable Shielded Proplex PCCAT5EPUTPP UTP 88m 80 m Cat5E Cable No shield PAGE 87 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER Fiber Optic Fiber Optic is similar to twisted pair but does not conduct electri
84. d When an impulse of at least 3 seconds is detected on GPInput1 amplifier will go from ON to Stand by state or from Stand by to ON state Meaning when set to 1 When an impulse is detected on GPInput2 the volume of all channels is increased by one volume step see volume menu for steps values When an impulse is detected on GPInput3 all the channels are muted attenuated depending on GPInput 5 status or Unmuted Front panel mute is still working When an impulse is detected on GPInput4 the volume of all channels is decreased by one volume step see volume menu for steps values When GPInput5 is set to O the Mute Attenuator function of the GPInput 4 is set Mute mode When GPInput5 is set to 1 the mode is set to Attenuate attenuation is roughly 20 dB GPOutputl is blinking when the amplifier is in stand by and ON if the amplifier is running GPOutput2 is blinking each time an increase volume command is received and is ON when volume is set to max GPOutput3 is ON when all channels are muted OFF in other situations PAGE 66 OF 151 MENU DESCRIPTION GPOutput4 is blinking each time a decrease volume command is received and is ON when volume is set to min GPOutput5 reflects the GPInput1 with a small delay and without glitches GPOutput6 reflects the GPInput2 with a small delay and without glitches GPOutput7 reflects the GPInput3 with a small delay and without glitches GPOutput8 reflects the GPInput4 with
85. dance fault 5 Back to previous menu Use the A button to go back to previous menu Options 6 Selected Channel Use the B button to select the channel currently affected by the settings of the zone 1 2 3 and 4 7 Measured impedance The measured impedance of the channel selected in zone 6 is displayed here The display is one of the following 1 If the NXAMP is unable to measure the impedance of the speaker for example channel is muted or no speaker connected or no pilot tone at the selected frequency Z Q will be displayed like on the picture above 2 If the impedance of the connected load is between O and 100 Ohm at the measurement frequency the actual value of the impedance will be displayed for example Z 17 3 O PAGE 71 OF 151 MENU DESCRIPTION 3 If the impedance of the connected load is above 100 Ohm Z gt 100 will be displayed Miscellaneous This menu will allow tweaking different small options available in the NXAMP Powered TDcontroller In LOAD3_23 it allows to e Change the delay unit e Set up the Dante ID when a NXDT104 card is fitted e Change the automatic patching of output speakon e Setup the Analog Fallback mode e Enable the relay mute Bellow is a picture of this menu NXAMPAx The sub menu located on the top of the screen will blink Depressing Select of channel 4 will enter this sub menu OK is displayed on the screen align with
86. des 8 x level meters one per analog input plus one per digital input from slot plus status LEDs for network ports N B Use LOAD3_11 or better for DMU support Optional DPU unit The DPU Digital Patching Unit is an optional 1U device that can be used together with the NXAMP powered TDcontroller to ease the patching of any Nexo speaker This unit will automatically route the amplifier output channels to the correct pins pair of the Speakon 4 or Speakon 8 connectors on its front panel N B Use LOAD3_11 or better for DPU support PAGE 14 OF 151 QUICK START This section will allow you to quickly understand the basic functions of this product If you already know the previous NEXO digital TDcontrollers such as NX241 or NX242 you may be able to use the NXAMP Powered TDcontroller quickly as it has been designed with a similar user interface However please devote some attention to reading the user manual A better understanding of specific features of the NXAMP Powered TDcontroller will enable you to operate your system to its full potential Front panel description NEXO d by YAMAHA 0600 0 OO oO 00 6 NB NXAMP4X1 is shown here but NXAMP4X4 is similar except the model name and the global height of the unit 1 Power switch Put the switch in the upper position to turn the power on Put it down to power the amplifier off Please note that even in the Off position high voltage is still present in some par
87. devices or the network and only audio data can be exchanged between devices With ES100 devices can send non audio data between them without passing through the remote control computer e Ring topology Instead of the classical daisy chain Ethersound network you can now connect the last OUT port of the network to the IN port of the primary master that has to be defined as the Preferred Primary Master through ESmonitor every other device should be set as a loop back device See ESmonitor User Manual included with this software for details Thus one of the network cables can fail without any lost on the network integrity To control the network at least one of the ES100 devices inside the network should have a Remote ES100 port see bellow e 3 communication port Optionally a 3 Ethernet port can be added on the ES100 device this is the Remote ES100 port that you can find on the NXES104 From this port you can take control over the connected device but also over the whole Ethersound network To do so connect a computer running the ESmonitor software just like you were connecting to the IN port of the Primary Master device of the network Ether N B You can easily recognize the ES100 devices thanks to this logo 3S 100 Sound PAGE 84 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER ES100 spkr devices The ES100 spkr implementation is a light implementation of the ES100 above ES
88. different channels HF MF and LF by acting on the concerned VCA Amplifier peak current limiter 20 To prevent over current on the output of the amplifier this peak current limiter is implemented leading to a separate VCA block 30 from the one being used for loudspeaker protection block 26 This protection is implemented here mostly in case of default of the power supply and will barely be triggered during normal use because it is set up at the limit of what can deliver the power supply of the amplifier Amplifier integrate current limiter 21 This protection which is also triggering a VCA will compute the integration of the current over time to check that the current drawn by the amplifier will not go above what is acceptable for the mains With musical signal should never trigger this protection mainly implemented for protection against continuous signal like sine wave and so on Amplifier peak voltage limiter 22 This is a soft clip limiter that will reduce the output level though a VCA process to limit the clipping of the amplifier Amplifier short circuit detector 24 If a short circuit is detected on the output the amplifier will mute itself and will release the mute a few second after automatically This is shown on the front panel by a blinking of the peak LED of the concerned channel together with the Amp protect LED PAGE 41 OF 151 MENU DESCRIPTION MENU DESCRIPTION The diagram bellow s
89. e NX242 and the NXAMP This will ensure that the NXAMP will have enough DSP resources to deal with many years of algorithm improvements Other key components like CPU speed memory quantities and so on have been also upgraded Four separate inputs The analog input stage now offers 4 separate symmetrical inputs each on XLR with link due to the 3U on NXAMP4x1 or 4U on NXAMP4x4 height of the unit there is plenty of Space for connectors at the back All the inputs offer considerable 28 dBu headroom same than on the NX242 These analog inputs leads to last generation 24 bits converters running at 48 KHz like on the NX242 ES4 Power supply The NXAMP4x1 Powered TDcontroller uses three separate switch mode power supplies SMPS whereas the NXAMP4x4 uses 5 A first small power supply is used for powering the TDcontroller digital board and to initiate the power amp The other big power supplies are used for power amplifiers e On NXAMP4x1 channels 1 amp 2 on one power supply and for channel 3 and 4 on the other one e On NXAMP4x4 each channel has its own large power supply These large power supplies are precisely tailored to work around a precise Mains voltage so separate model of NXAMP exists for 110 120 Volts on one side these are models NXAMP4x1U and NXAMP4x4U and for 220 240 Volts on the other side these are models NXAMP4x1C and NXAMP4x4C However a Dual voltage version of the NXAMP4x4 exists to accommodate fro
90. eaning that you should not connect any DHCP server to the network to ensure best compatibility with other manufacturers Dante devices NB You can guess if the address given to a Dante device is from a DHCP server on the network or from the device itself using Zeroconf by checking the first digit of the address PAGE 108 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL The IP address when the device is in auto configuration mode is 169 254 xxx xxx whereas most of the time the local address when a local DHCP is used is 192 168 xxx xxx or 172 16 xxx xxx or 10 0 XXX XXX Next tab Clock Status will show you which device is the Master clock of the network There is no obvious reason to set up a NXAMP as a Master clock the heart of the system being a mixing desk in most of the cases but this could still be done eventually You can check the Preferred Master box meaning that if the Dante Controller has to select a Master Clock the Preferred Master devices will be chosen preferentially Last tab Events shows information log on the network status that can be useful for troubleshooting Device View When the name of a Dante device is double click in the Dante controller a new window called Device View will open This new windows offers more information on a particular device The first tab Receive allows checking which Dante device will send audio to the current NXAMP It is al
91. ensing at the output of the amplifier These data will be used by the DSP for protecting both the amplifier and the NEXO loudspeaker connected This stage features also a programmable routing unit that allows using the amplifier in bridge mode on the same speakon pins than in non bridge mode When using the NXAMP Powered TDcontroller in four channels mode here is the output routing Speakon A Speakon B Speakon C Speakon D OXO OO Note the symmetrical structure between channels 1 2 and channels 3 4 When using the NXAMP Powered TDcontroller in bridge mode here is the output routing Speakon A Speakon B Speakon C Speakon D 1 1 1 1 1 1 1 1 7 SL a 2 LAS i 2 2 2 2 Now amplifier channel 1 and 2 works together in bridge mode channel 2 is marked CH1 above This is same for channel 3 and 4 The pin out on the speakon is the same as the channel 1 and 3 in non bridge mode thanks to the programmable routing unit not drawn here PAGE 32 OF 151 GENERAL DESCRIPTION NB The routing from DSP channels from 1 to 4 on the front panel and the output speakon from A to D on the back panel is done automatically regarding setup configuration See Input Patch menu further in the manual AN You can see with the gray line on the above drawing that unused pins on output Speakon are shorted together but are not connected to ground Therefore be careful as very high voltage might be present on these unused pins
92. enu located on the top of the screen will blink here it is 1 Systm Config Depressing Select of channel 4 will enter this sub menu OK is displayed on the screen align with Select 4 button Turn the wheel to select another sub menu When coming back to the Options menu later the last selected sub menu will be displayed first System config This menu allows changing between several speaker setups inside a same family or even through any family even if this last solution is not recommended Same family means that same cabinet are connected to same outputs of the amplifier Mainly this menu is for comparing quickly to setup Wideband and Crossover for example without restarting the amplifier You can also build you own setup by selecting on each channel which NEXO speaker you want to connect Moreover you can choose for each output the crossover point you want to use for this speaker crossover options are different regarding the selected speaker To enter this menu go to the OPTION menu and select the sub menu 1 Systm Config like shown above You will be then prompt to choose between Nexo config which are factory prepared set of 4 x Nexo speakers with optimum crossover frequency and Custom config where you can select the speaker and the crossover of your choice for each the channels PAGE 49 OF 151 MENU DESCRIPTION Turn the wheel to make your choice blink on the first line of the screen then press the B butto
93. eptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Unplug this apparatus during lightning storms or when unused for long periods of time 13 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Please read carefully before proceeding Please keep this manual in a safe place for future reference N WARNING Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock short circuiting damages fire or other hazards These precautions include but are not limited to the following Power supply Power cord e Only use the voltage specified as correct for the device The required voltage is printed on the name plate of the device e Use only the included power cord e Do not place the power cord near heat sources such as heaters or radiators and do not excessively bend or otherwise damage the cord place heavy objects on it or place it in a position where anyone could walk on trip over or roll anything over it e Be sure to connect to an appropriate outlet with a protective grounding connection Improper grou
94. er supplies are used one for each channel PAGE 30 OF 151 GENERAL DESCRIPTION They all are full resonant type with half bridge converter The ZCS Zero Current Switching design ensures high efficiency and low noise Moreover because the two converters work in opposite phase some noise is cancelled this is preferable for both sound quality and EMC Electro magnetic compatibility Analog Input block After linking the two XLRs for each channel the analog input block has an EMC filter and a precision input buffer that will remove the common noise on the input signal The maximum level allowed for the input signal is 28 dBu 55 Volts peak to peak The pin out of the input XLR is given bellow Positive signal Negative signa Control block The control block contains several sub block that are detailed bellow OS gt Digi LB a ER Amp ch3 status Sense Inputs igi anal Dracacscar ta ee aree eS Amp ch1 stat Digital Signal Processor mp chi status 2 x DSPs chips nr E eG eee Amp ch2 status Digital A Digital E O eo SAS eE Amp ch4 status Digital D SJ91JIdUIY 15MOd Analog A Amp chi Input Audio Inputs Analog B Analog input Analog Outputs Amp ch2 Input level control level control Analog C Amp ch3 Input Analog D Amp ch4 Input I COOL MAA A a E Power Supplies User Interace Block The plain lines show the audio or sense signal sense are vo
95. ern speakon Out B and the pinout 2 2 Once the desired input channel is selected from A to D for analog input on XLR A to analog input on XLR B and from E to H for digital input from the expansion slot if an extension PAGE 58 OF 151 MENU DESCRIPTION card with digital inputs is used the user can press the button B to go to the next input channel to be patched on this Output or go back to the previous Routing display menu by depressing the button 2 again this will validate the selected input effectively NXAMP4x1 Any combination of input can be patched on each output Be careful when patching both analog and digital input together to one channel It is very unlikely that the two signals can be in phase We recommend using this solution only for analog backup of digital network meaning that only digital or analog inputs will be used at a time Save recall user setups User setups contain all the settings of the NXAMP Powered TDcontroller so you can consider that a user setup is a snapshot of the amplifier state To access the Save recall menu go to the Option menu and select the sub menu 3 Save Recall see above NXAMPAx On the center of the screen will be displayed the various setups with the setups name On each side you can select either Save or Recall function NXAMP4x1 To save a user setup select the memory block you want to use there are 32 different PAGE 59 OF 151 MENU DESCR
96. et and amplifier Multiple Acceleration Displacement and Temperature protections on every channel Up to 66m 145 ft of delay in 10cm 4in steps Any of the 4 analog or 8 inputs combination to be routed on each output Channel gain 6dB in 0 5dB steps Each channel with 16 steps from inf dB to O dB Set up Stores 32 user set ups LF HF shelving filters to compensate ground stacking effects 6dB Password protected for Read Only or Remote Only Mode Full remote control via the Ethersound protocol and ESmonitor software UL SEMKO CE CCC KOREA TSS PSE Compliant with ROHS and WEEE directive PAGE 137 OF 151 NXAMP THERMAL DISSIPATION AND CURRENT DRAWN NXAMP Thermal dissipation and current drawn Test signal Pink Noise bandwidth limited 22Hz to 22 kHz All channels driven Thermal Line Current A Watts Dissipation ee 120V 230V palpated ne 16 0 9 95 326 82 8ohms ch 11 1 6 1 390 1337 337 1 8out _4ohms ch 2023 510 2ohms ch 2126 536 NXAMP4X1 Thermal Line Current A Watts Dissipation ee 230V ae Trun l keah Idle 2 3 1 3 411 104 NXAMP4X4 8ohms ch 800 2743 691 1 8out 4ohms ch 1300 4457 1123 2ohms ch 27 5 1700 5829 1469 1 BTU 1 055 06 J 0 252 kcal W 864 cal N B These values are for NXAMP without NXES104 NXDT104 or NX DFLT board fitted If card is fitted please add 5 Watts to these values PAGE 138 OF 151 NXAMP DIMENSIONS
97. etworks are supported Since NXES104 firmware OxODOD an ASIO functionality is available the user can stream 4 channels of 24bits 48 KHz audio from the network card of any Windows based computer to the NXAMP directly connected or through a LAN NB The firmware of the NXES104 is automatically updated when the firmware of the host NXAMP is updated see further in this manual NXES104 Physical description The NXES104 is designed to fit the NEXO s slot form factor that can be located on the back panel of the NXAMP Powered TDcontrollers NB This slot features an 80 pins internal connector that is not compatible with the Yamaha mini YGDAI slot PAGE 82 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER 1 Ethersound IN Port This port features and Ethercon connector Use this type of connector to secure your Ethersound network from unwanted unplugs This type of connector also ensures a longer life to the internal RJ45 contacts because it preserves it from external traction Use this port as an Ethersound IN port when connecting to an Ethersound network 2 Ethersound network Status LEDs The two LEDs next to the IN port shows that data is received from the IN port when the top one marked Rx blinks or are send through the IN port when the bottom one marked Tx blinks NB When used with mono directional Ethersound network if no remote control computer is connected onl
98. evice In that particular mode the Primary ports of all redundant devices should be connected to a first network whereas the Secondary ports are connected to a second PAGE 110 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL network AN WARNING Switching from one link to the other can take up to a few seconds During that time audio will be muted NB When redundant mode is used the remote control data can go only through the Primary port Thus is the link connected to this port fails it will be no more possible to remote control the unit A solution could be to send control data to the Remote port thus ensuring that the remote control will still be available File Device Help SR gt Y000 NEXO NXAMP4x1 062cfa Receive Status Device Config Network Contig Dante Redundancy Current Switched Addresses Obtain an IP Address Automa Manually configure an IP Address This device does not support static addressing Reset Device Reboot Factory Reset Last buttons in the bottom of the page are here for compatibility reason and should not be used AN WARNING Never press the Reboot or Factory Reset buttons when speakers are connected to NXAMP as it can lead to unpredictable noise on the output NXAMP with NXDT104 control page in ESmonitor software ESmonitor software by Auvitran is a free PC based application runn
99. f file when installing the ESmonitor application on your computer Once your Ethersound network is completed you can access to the control page of the NXAMP Powered TDcontroller Compatibility issues The table bellow sum up the remote control possibilities with various version of NXAMP firmware and ESmonitor software so far ESmonitor ESmonitor Revision ESmonitor ESmonitor ESmonitor v3 15 13 to v3 20 5 to NXAMP before v3 5 v3 5 to v3 7 v3 8 to v3 15 2 v3 20 0 v4 1 6 Revision LOAD2_46 to es BO LOAD2 51 Limited control Limited control Limited control Limited control LOADZ_52 to Full control LOAD2_58 No control mit hno Full control imited control o buggy vue Full control meters Limited control No custom setups LOAD3_ 16 to Limited control LOAD3_ 23 No Copy Paste v4 1 6 being the last release version of ESmonitor at the time this document was written The ES monitor tree view From the tree view in ESmonitor as shown in the picture bellow you can from ESmonitor v3 20 5 and NXAMP with LOAD3_16 select NXAMP specific functions by right clicking the NXAMP AWS Monitor by AuviTran File Edit Commands Help dd v lk so 8 o EBEGEGUE 8 E Nue A Properties Eas Net Patch g I O Pach piy ee E NET 00 0E 55 03 17 52 a LES BS NDOAMP 03 Network functions a METIO 0E 55 03 Device functions of ES NXAMP 03 Group functions aes Ea ES NXAMP 07 Ring functio
100. f the rack open and make sure that it is at least 10 cm away from walls or surfaces Also if this device is to be mounted with devices that tend to generate heat such as power amplifiers be sure to keep an adequate gap between this device and the heat generating devices or install ventilation panels to prevent high temperatures from developing inside this device Inadequate ventilation can result in overheating possibly causing damage to the device s or even fire e Do not use the device in a confined poorly ventilated location If this device is to be used in a small space other than an EIA standard rack make sure that there is adequate space between the device and surrounding walls or other devices at least 10 cm at the sides 15 cm behind and 40 cm above Inadequate ventilation can result in overheating possibly causing damage to the device s or even fire e Do not expose the device to excessive dust or vibrations or extreme cold or heat such as in direct sunlight near a heater or in a car during the day to prevent the possibility of panel disfiguration or damage to the internal components e Do not place the device in an unstable position where it might accidentally fall over e Do not block the vents This device has ventilation holes at the front rear to prevent the internal temperature from becoming too high In particular do not place the device on its side or upside down Inadequate ventilation can result in overheating
101. fitted with NXES104 or NXDT104 board through the network choose the network port interface and select the network card connected to the NXAMP s You will need to wait for 70 seconds before the detection ends to ensure that an IP address has been given to the card if needed Select device that you want to upgrade by default only units in Download mode will be selected N NEXO Firmware Loader NEXO Weil uur Weli sile Network Devices WEL EOS CON Step 1 Choose file to download MAC address Product Firmware Status PERS Ed 00 10 1 06 2 E2 x 0 0 Y Wong a CALOADS_22 dld aes 00 10 C1 05 20 NXDT 104 Ox 100 1 Download waiting Step 2 Choose port interface 5 Serial Port COMI Melwurk D Link DSC S20T Gigabit Dihemet Adapter 4 Step 3 PROGRAM Nevin version 4 2 0 6 ci Nexo 2009 2014 Begin the upgrade You can now confirm the download by pressing the Program button The Nxwin4 will detect the connected NXAMP target and then download the appropriate software If a NXES104 or NXDT104 is fitted and need to be upgraded it will be automatically done as well In the example bellow we consider upgrading an NXAMP with a NXDT104 Dante card fitted that needs also to be upgraded If your NXAMP has another card fitted then the following steps might be slightly different AN WARNING Some NXDT104 with an old Dante firmware must be uploaded in two steps with a NXAMP hard reboot in between Follow
102. g powered by amp YAMAHA NXAMP4x1 NXANMP4x4 Powered TDcontrollers NEXO powered by YAMAHA EEEngine Digital Patching Unit Oo Oc SPK8 0 User Manual v3 1 LOAD3_23 FCC INFORMATION U S A 1 IMPORTANT NOTICE DO NOT MODIFY THIS UNIT This product when installed as indicated in the instructions contained in this manual meets FCC requirements Modifications not expressly approved by NEXO SA may void your authority granted by the FCC to use the product 2 IMPORTANT When connecting this product to accessories and or another product use only high quality shielded cables Cable s supplied with this product MUST be used Follow all installation instructions Failure to follow instructions could void your FCC authorization to use this product in the USA 3 NOTE This product has been tested and found to comply with the requirements listed in FCC Regulations Part 15 for Class B digital devices Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic devices This equipment generates uses radio frequencies and if not installed and used according to the instructions found in the users manual may cause interference harmful to the operation of other electronic devices This applies
103. h For each channel you can see eight buttons corresponding to the eight available inputs 4 analog from A to D and 4 digital from E to H Click on the button to patch or unpatch an input If the button is dark it means that the input is patched if not it is white N B On some setups the input patch may be linked 9 Output meters For each channel there are two output meters the left one is showing the output voltage V whether the right one is showing the output current A 10 Mute button Click on this button to mute or unmute individually a channel 11 Volume control This button can set up the volume for each channel of the NXAMP To adjust the volume with this virtual pot you can click and drag the button itself or use the mouse wheel while you are on the virtual pot area or use the two small arrows bellow the virtual pot N B On some setups the volume settings may be linked 12 Gain control To adjust the gain on one channel use the two arrows bellow the value display You can also simply goes onto this control and use the mouse wheel N B On some setups the volume settings may be linked 13 Delay settings Use the arrows bellow the text box to increase decrease the delay settings for a channel N B On some setups the delay settings may be linked PAGE 94 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER 14 ArrayEQ settings To adjust the ArrayEQ on one channel use the arr
104. h pass filter set at 15Hz is only affecting amplitude of the signal by 0 6dB at 30Hz but the phase shift is 90 At 100Hz we can still measure 25 of phase shift e Should you want to restrict the bandwidth with a low pass filter you can introduce a phase difference of up to 180 completely out of phase at the cross over point e If the signal is passing though any digital equipment you are adding between 1 4ms and 2 2ms around 70 phase shift at 100Hz due to the converter delay only The additional delay due to the processing itself look ahead compressor delay can be quite important At the end of the day if you have not measured both outputs in the actual configuration you can be 90 sure that you won t get the correct phase alignment that you would have had if the NXAMP was fed by a single source Consequences of badly aligned systems Mis aligned systems have less efficiency i e for the same SPL you will be obliged to drive the system harder causing displacement amp temperature protection at lower SPL than a properly aligned system The sound quality will decrease The reliability will decrease as the system is driven harder to achieve the same levels In certain situations you may even need more speakers to do the same job PAGE 143 OF 151 APPLICATION NOTE DRIVING THE SUB FROM THE AUX SEND Consider the simple example of the AUX signal passing through a digital device without processing that is adding a delay of
105. hannels 105dB unweighted Typical 0 1 flat setup 0 5 ms on a flat setup Dedicated version for 100 120 Volts or 220 240 Volts or Dual Voltage version FRONT AND BACK PANEL FEATURES Audio Inputs Power Outputs RS232 port GPIO port Front Panel Rear Panel Dimensions amp Weight USER CONTROLS System Selection System Set up Protection Delay Input Patching Output Gain Volume control Save Recall Array EQ Security Mode Remote control Certification Green status e 4 balanced analog inputs on XLR with link using 24 bit converters e 4 digital inputs via the optional network card slot at the back 4 Speakon outputs Allow firmware upgrade for software improvement and new cabinet setups 5 Global Purpose Inputs and 8 Global Purpose Outputs On Off switch Wheel A B buttons 40 char x 2 display Amp protect Stand by Power LED s For each ch volume 15 LEDs Mute w LED Output current LED Protect LED Peak LED 1 mains socket 2 for NXAMP4X4 RS232 GPIO Expansion slot 4 XLR w link 4 Speakon 4 NXAMP4X1 NXAMP4X4 3U 19 Rack 457 mm 18 Depth 16 5kg 4U 19 Rack 457 mm 18 Depth 24 5kg 36 lbs net 54 Ibs net Allows control from all NEXO ranges Within the selected range when possible allows the cabinet to be set for passive active mode wideband crossover mode choose among crossover point cardiod supercardiod mode Multiple Peak Limiters fitted for both selected cabin
106. hat the NXAMP with the name Y014 NEXO NXAMP4x4 062c60 has subscribed to channel 01 02 03 and 04 from the Dante device named NEXO PC a computer running the Dante Virtual Soundcard software NB The NXDT104 can subscribe up to four different channels from four different Dante transmitters PAGE 76 OF 151 MENU DESCRIPTION File Device View Help 48 88 Receive Receive Channels Available Channels I NEXO PC Connected to O1 NEXO PC O2 NEXO PC O3 NEXO PC OHOMEXO PC Channel Signal MXAMP E MXAMP F MXAMP G MXAMP H If the Analog fallback mode is ON and the audio from network Ethersound or Dante is missing the NXAMP will display the following message periodically NXAMP4x1 p AA AA HH Hirr nan mann nm Buna anus Fans E Pass To change the Analog fallback mode go to Options menu then select Miscellaneous and choose Ana Fallback You will then have the following display NXAMP4x1 Press Edit Select 4 button and turn the wheel up or down to change the mode to ON or OFF Then press OK Select 4 button to save the settings NB If Analog fallback is ON when entering the Input Patch menu a warning reminds you that analog input even patched will be muted until network audio fails NB At the time of writing there is no way to set up or visualize this option through AVS ESmonitor yet PAGE 77 O
107. he Auvitran ASIO streamer technology The NXDT104 is compatible with the Dante standard offering full remote control from a computer running ES monitor by Auvitran application and 4 channels of 24 bits 48 KHz audio from another Dante device including a PC or Mac computer through a LAN network using the Dante Virtual Soundcard technology PAGE 34 OF 151 GENERAL DESCRIPTION AN NEXO expansion slot form factor is not compatible with the Yamaha mini YGDAI form factor Thus Yamaha mini YGDAI card cannot be fitted inside NXAMP Powered TDcontroller All NXAMP4x1s and NXAMP4x4s are shipped with an expansion card fitted in the NX DFLT card This card prevents output noises when main AC power feeding NXAMPs is brutally shutdown ie power down at the end of the show before NXAMPs are switched off NX DFLT card should always be fitted in when no other expansion card is used PAGE 35 OF 151 BLOCK DIAGRAM DESCRIPTION Block diagram description The block diagram bellow shows the global signal path inside the DSPs for one channel identical for all the channels
108. hows the internal structure of the menus accessible by the user from the front panel Follow the arrow corresponding to the A or B button for each menu to enter the next one NXAMP Startup Options 1 Systm Config 2 Input Patch Choose Cabinet Setup nput Pate 3 Save Recall A D A B A B 3 B A B A B i Default Display Gains Array EQ Headroom 5 GPIO Mode 6 Load Monitor 7 Miscellaneous Nothing pressed A B presse d Default display is the display of the current setup number each setup has a unique number inside for each LOAD revision and setup name see picture bellow After two minutes of inactivity the display will go back to the default display NXAMP4x1 If the current setup does not match any of the provided NEXO setup i e the NXAMP is running a custom setup the default display will show the cabinet selection for each channel NXAMPAx If a NXDT104 card is fitted into the expansion slot of the NXAMP then the Dante Id of this unit will be also displayed in the default screen PAGE 42 OF 151 MENU DESCRIPTION NXAMP4x1 SELECT O Changing Cabinet Family In order to prevent end user changing between different NEXO systems set ups during use the following procedure is recommended This procedure has been purposely designed to avoid any mistakes It is nevertheless very easy to change set up among the same family or between families see further System config NXAMP4x1
109. i i Analog Outputs Amp ch2 Input level control level control Analog C Amp ch3 Input Analog D Amp ch4 Input Example above shows large input attenuation and large output gain Overall gain is O dB before amplifier But in quiet environment like background music or small acoustic set you won t use the full dynamic of the NXAMP input converter In that case you can lower the headroom value meaning that the input headroom of the amplifier is reduced thus improving the effective resolution used on the analog to digital input converter Min headroom position 8 dB situation Max input level Max Output Level Analog A gt Amp chi Input Analog B Analog input i igi Analog Outputs Amp ch2 Input level control level control Analog C Amp ch3 Input Analog D gt Amp ch4 Input Example above shows small input attenuation and small output gain Overall gain is O dB before amplifier In the same time the output analog or digital gains of all the channels are automatically adjusted to keep the same overall gain from inputs to outputs of the NXAMP Advantage of reducing the headroom is that it adapts the resolution of the converters to the scale of the analog input signal thus improving background noise and reducing distortion Drawback of reducing the headroom is that you may clip the converters before clipping the amplifier thus virtually reducing the output power of the amplifier Thus when adj
110. igital to feed the inputs of the NXAMP as this processing is already included inside the NXAMP Operating SUB s fed through an Aux Output If the SUB s are to be operated through a different output than the main system NEXO strongly recommends that e The audio chain is strictly identical for SUB s and MAIN SYSTEM s mixing board outputs same devices with same settings e Phase relation between the two feeds is aligned with proper measurement tools Easera Systune Spectralab or WinMLS Operation of Multiple Powered TDcontrollers Some MAIN SYSTEM SUB systems require a minimum of two NXAMP s per side one for MAIN SYSTEM s another for the SUB s Eventually two or more NXAMP s will operate within the same MAIN SYSTEM cluster It is mandatory to verify the consistency of the setups and adjustment between processors to avoid the problems described below When using multiple NXAMP s in a single array all parameters should be identical and set to proper values System alignment For a given measurement microphone or listening position the reference point for this adjustment is the closest point of each array SUB and Main System to the given position PAGE 79 OF 151 INSTALLATION RECOMMENDATIONS see example below We recommend that the system is adjusted so that arrivals from MAIN SYSTEM array and SUB speakers are coincident at a fairly distant listening position typically further than the mixing positio
111. ill always flow from the front panel to the back panel of the DMU even if it is not powered 3 GPIO port This GPIO port is intended to be connected to the NXAMP GPIO Thus power supply 5 Volts from the NXAMP will be fed to the unit and the view meters data will also be provided through the GPIO port You will need a straight DB25 male male cable to connect the NXAMP to the DMU NB A cable kit for DMU containing e 4 x Neutrik XLR to XLR cords e 3 x RJ45 links a red a green and a blue one e 1 x DB25 male male straight cable can be purchased from NEXO separately Operating the DPU Using the DMU is straightforward as there is nothing to set up The only requirement is that the NXAMP firmware supports the DMU otherwise the view meters won t work properly PAGE 116 OF 151 DMU DIGITAL METERS UNIT FOR NXAMP AN WARNING NXAMP firmware should be at least LOAD3_11 for the DMU to work If not the DMU view meters won t work Connections and start up Be sure that the host NXAMP is disconnected from mains Connect the four XLR 3 cables between DMU back panel XLR connector from A to D and the NXAMP analog inputs marked A to D If any network card is fitted you will need also to connect the three RJ45 links between the DMU back panel RJ45 and the network card ports AN WARNING RJ45 links should be at least CAT5e to be compatible with Gigabit links of the NXDT104 We recommend following this color code bel
112. ime at a high or uncomfortable volume level since this can cause permanent hearing loss If you experience any hearing loss or ringing in the ears consult a physician e Do not rest your weight on the device or place heavy objects on it and avoid use excessive force on the buttons switches or connectors e Do not use this device for any purpose other than driving loudspeakers XLR type connectors are wired as follows IEC60268 standard pin 1 ground pin 2 hot and pin 3 cold Use only Neutrik NL4 plugs for connecting Speakon connectors NEXO SA cannot be held responsible for damage caused by improper use or modifications to the device or data that is lost or destroyed e Always turn the power off when the device is not in use e The performance of components with moving contacts such as switches volume controls and connectors deteriorates over time Consult qualified NEXO SA service personnel about replacing defective components e If you do not intend to rack mount the NXAMP attach the included rubber feet to the bottom surface of the device IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING THIS APPARATUS MUST BE EARTHED The wire which is colored GREEN and YELLOW must be connected to the terminal in IMPORTANT The wires in this mains lead are colored in accordance with the following the plug which is marked by the letter E or by the safety earth symbol D or colored code GREEN o
113. ing under Windows XP and Windows Vista permitting full control over an Ethersound network It also allows to remote control the NXAMP with NXDT104 cards Thus NXAMP with any of the expansion cards NXES104 Ethersound or NXDT104 Dante can be monitored and remote controlled within the same software PAGE 111 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL NEXO provides in each revision of the NXAMP firmware the last version of the ESmonitor software that has been successfully tested with this firmware It is recommended to use this specific version of the ESmonitor software Please refer to the ESmonitor User Manual provided by Auvitran as a pdf file when installing the ESmonitor application on your computer Once completed you can access to the control page of the NXAMP Powered TDcontroller Enabling remote control of NXAMP with NXDT104 in ESmonitor To enable the monitoring of NXAMP on a Dante network through ESmonitor you have to check the Enable Dante device control option in the AVS Control Panel installed together with the ESmonitor software i AVS Control Pane AuviTran AVS Control Panel dm AVS ESService Configure AVS ESService advanced settings un AV5 ESService Timer Settings Network check period 4 Disconnection Reconnection detection E Network Integrity Manitaring 7 New Network Device automatic detection Automatic BiherSound Hierarchy detection
114. instructions given by Nxwin to properly update the NXDT104 PAGE 131 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE N MEXO Firmware Loader NEXO Wisil uu Web sile Network Devices A REO OOM Step 1 Choose file to download MAC address Product Firmware Status a F 10 C1 06 20 E2 XOT 10 i n pr Fr C LOAD3_16 dld Browse 2 00 10 C1 06 20 E MXCT 104 01001 In progress Step 2 Choose port interface serial Port comi Remaining Time 0 00 Uploading firmware Once the selected NXAMP with NXDT104 has been selected and the PROGRAM button pressed the software will first send the Dante firmware to the NXD104 Please wait buffering is displayed in the status bar of Nxwin then the firmware is upgraded into the NXDT104 N NEYO Firmware Loader NEXO Visil uur Web sile Hetwork Devices Wy MEO OOM Step 1 Choose file to download MAC address Product Firmware Status C VOAD3_16 did 2 00 10 c1 06 2C E2 NXDT 104 01001 In progress Step 2 Choose port interface Serial Port COM1 2 Mebmurk D Link CGSC 5287T Gigabit Cinernet Adapter 4 Step 3 Remaining Time 1 26 Updating ETA 1 26 Elapsed 011 11 During the upgrade of the DANTE firmware the NXAMP display asks to not turn off the device NXAMP4x1 WARNING If the power supply is turn off during the DANTE firmware update the NXDT104 card might become unusable and needs to be sent back to NEXO fo
115. is connected to a GPI the state is Low internal pull down A switch can be directly connected to this input but if a GPIO output of another device should be connected it is mandatory to ensure a galvanic insulation between the two devices Only direct connection is authorized between NXAMP when they are located in the same rack GPIO mode 0 Default mode DMU mode In this default mode the GPIO port can be used with a NEXO DMU unit See further in this manual for more details about DMU set up GPIO mode 1 Basic remote control mode This mode is intended to be used with permanently High or Low state signals There is an action depending on the state of each GPI A state is validated when the state of the pin has changed and is stable for 1 second Here is the detail PAGE 63 OF 151 MENU DESCRIPTION Meaning when set to 0 In Out Default Meaning when set to 1 GPInput 1 In CH 1 unmuted CH 1 muted Out GPOutput 7 CH 3 no clip protect CH 3 clip or protect GPOutput 8 Out CH 4 no clip protect CH 4 clip or protect If GPInputi is High Channel 1 will be muted If GPInputi is Low Channel 1 will be unmuted Front Panel mute Unmute is still working If GPInput2 is High Channel 2 will be muted If GPInput2 is Low Channel 2 will be unmuted Front Panel mute Unmute is still working If GPInput3 is High Channel 3 will be muted If GPInput3 is Low Channel 3 will be unmuted
116. is only done by analogy with traditional amplifiers The CPU will always check gain volume patch and headroom settings and decide what the best combination is between analog or digital gain to optimize the dynamic range of the system Adjusting Delay The delay of each channel can be adjusted from the Delay menu Bellow is a picture of this menu NXAMPAx The delay value can be read on the top of the LCD screen for each channel unit is meters To change the delay for a given channel select the channel first by pressing the corresponding Select button The channel name on screen will then be put between bracket see on the picture above channel 2 is selected Then turn the wheel to change the delay setting maximum delay is 66 6 meters You can select multiple channels by pressing several Select buttons at the same time When a selected channel reaches the maximum value it will cease to increase by continuing to turn the wheel but other selected channels may still increase the setting be careful not to change a gap between two channel settings when selecting multiple channels at the same time In some special situation active setups in same enclosure for example like PS15 active it is mandatory to have same delay settings on two or more channels Then changing the delay on one of these channels will automatically adjust the delays on the other channels See the Miscellaneous menu for delay unit adjustment
117. itches can be used These layer 2 switches can be either managed or unmanaged Managed switches are necessary to set up VLAN networks so that EtherSound can co exist on a larger network with other applications Some switches provide functionalities of the so called SPANNING TREE PROTOCOL for inter switch communication and network management The EtherSound protocol is NOT COMPATIBLE with the Spanning Tree Protocol should be disabled on manageable switches Wireless LAN A local area network that transmits over the air typically but not exclusively in an PAGE 85 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER unlicensed frequency or among others infrared line of sight Wireless access points base stations are connected to an Ethernet hub or server and transmit a radio frequency that can penetrate walls and other non metal barriers Roaming users can be handed off from one access point to another like for example in a cellular phone system Wireless LANs are not suitable for EtherSound networks due to significant bandwidth limitations Ethernet cables Cables used within the EtherSound network are straight cables The cable used to connect directly the remote control PC to the Primary Master or to any of the Remote ES100 port is a crossover cable The following paragraphs describe the main twisted pair cable types used Among them you will find descriptions of cables listed for reasons of completeness but
118. ks to the 24 bits 48 KHz current and voltage sense circuitry only a small HF burst voltage is needed in most of the case typically 1 volt To access the Load Monitor menu go to the OPTION menu and select the sub menu 6 Load Monitor The following display will then appear NXAMP4x1 O Oo eG You can see several zones in grey on the picture above Here are the details for these zones 1 Internal HF burst generator External Pilot Tone frequency Here you can adjust the frequency where the impedance measurement will be done for the speaker s connected to the channel selected in the zone 6 The frequency is adjustable from 14500 to 21100 Hz in 1 12 octave steps Most of the time there is no need to change this frequency if internal burst generator is ON If external pilot tone is used from the audio program sent to the NXAMP on its analog or digital inputs be sure that the frequency selected here is as close as possible to the frequency of the pilot tone 2 Internal HF burst generator level The level of the internal HF burst generator can be adjusted here If the load monitoring function is not needed or if external pilot tone is used set the level to OFF PAGE 70 OF 151 MENU DESCRIPTION If the user wants to use the internal HF burst generator for impedance monitoring then set the level to the desired voltage between 0 5 and 5 volts This voltage is intended at the output of the NXAMP speakon con
119. l be copy back to the individual channel mute except for the Channel 2 that you have just pressed Channel 2 Mute All 18 Notes In this textbox you can take some notes of your choice The text is saved on the computer not on the NXAMP itself 19 Alias This is the alias of the NXAMP used to display the unit in the network list tree or group on the left of ESmonitor By default the NXAMP will have an alias like this NXAMP XXXXXX where the last six characters is the end of the MAC address of the NXES104 board fitted into the NXAMP The Alias is stored on the computer It uses the MAC address of the NXES104 to identity a specific unit Changing the computer or the NXES104 will disturb the alias of the units 20 Hardware and Firmware information Here you check whereas the connected unit is an NXAMP4x1 or an NXAMP4x4 and what is the firmware revision inside 21 ASIO Mode This control selects the way the Remote ES100 port is used as an ASIO receiver or not ASIO Off In this mode the ASIO functionality is not used meaning that the four digital inputs of the NXES104 board are taken from the Ethersound network For example four channels of audio are selected among the 64 channels downstream on the Ethersound IN port PAGE 96 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER No Audio from 3rd Port Remote ES100 64 Down 64 Down IN PORT O C 4 U O 7 64 Up Z x lt m un a
120. low if possible RJ45 link color Network port RED IN 1 Primary BLUE OUT 2 Secondary GREEN Remote 3rd Then connect the GPIO port of the DMU to the GPIO port of the NXAMP using a straight DB25 male male cable Connect the NXAMP mains plug s and turn the NXAMP ON Check the LOAD revision while booting up it should be LOAD3_11 or above All LEDs will be on at startup for a short time allowing an easy check that the unit is correctly powered and that all LEDs are working Then after a few seconds the view meters will represent the actual input level or analog and digital inputs whereas the network LEDs will show the network port status A N WARNING NXES104 firmware should be at least OxODOE for the network LEDs to work The NXES104 firmware revision can be checked with ESmonitor To upgrade the firmware of the NXES104 you will have to download the LOAD3_11 firmware or above into the NXAMP fitted with this NXES104 through the IN or Remote port of this card If the view meter does not work check the GPIO setting of the NXAMP and ensure it is set to MODE O PAGE 117 OF 151 DMU DIGITAL METERS UNIT FOR NXAMP PAGE 118 OF 151 DPU DIGITAL PATCHING UNIT FOR NXAMP DPU Digital Patching Unit for NXAMP The Digital Patching Unit DPU is a 1U 19 accessory for NXAMP4x1 and NXAMP4x4 powered TDcontrollers This device is intended to set up automatically the power outputs of an NXAMP4x1 or NXAMP4x4 Powered TDcontr
121. ltage or current signal measured at the output of each amplifier The dashed lines show the digital communication signal among several block You can see the audio input on the left there are four analog inputs from input XLR named Analog A Analog B and so on and four digital inputs Digital A Digital B and so PAGE 31 OF 151 GENERAL DESCRIPTION on from the expansion slot These eight signals can be patched inside the DSP to any channel of processing amplifying see further for a block diagram of what is inside the DSP All signals audio or sense use 24 bits converters The CPU can also set up the analog input and output gain for each channel thus ensuring that the dynamic range of the system is always optimized regarding volume gain patch and bridge settings Monitoring of the amplifier modules and power supplies including multiple measurement such as temperature voltages current integrate current are done both by the CPU and the DSPs Power amplifier blocks The power amplifier part is a custom design to fit the very unique concept of digital protection of an analog amplifier On the pure amplification side it utilizes custom transistor thin chip and small thermal resistance and the well known Yamaha EEEngine technology that offers the sonic quality of the conventional class AB amplifier with the efficiency of the class D Power outputs block The power outputs block is used for current and voltage s
122. m both 110 120 Volts and 220 240 Volts model NXAMP4x4W The unit will automatically switch to the correct mode on startup Ethersound optional board The NXAMP is designed to accept the optional NXES104 board witch offers four digital inputs among a bidirectional 2x 64 channels Ethersound ES100 network This optional board uses the new NEXO slot which prevents the necessity to open the top panel of the amplifier for installing the board NXAMP firmware upgrade can also be performed through this Ethersound port Finally the ASIO functionality of the NXES104 allows streaming 4 channels of 24 bits 48 KHz audio directly from the Ethernet port of a PC computer Dante optional board The NXAMP can also accept the optional NXDT104 board witch offers four digital inputs from a Dante network This optional board uses also the NEXO slot NXAMP firmware upgrade can also be performed through this network card Finally the ASIO driver for Dante networks allows streaming 4 channels of 24 bits 48 KHz audio directly from the PAGE 13 OF 151 NXAMP VERSUS NX242 WHAT S NEW Ethernet port of a PC MAC computer to any number of NXAMP with NXDT104 on the network N B Use LOAD3_22 or better for NXDT104 support in its latest firmware revision Optional DMU unit The DMU Digital Meters Unit is an optional 1U device that can be used together with the NXAMP powered TDcontroller to ease the metering of input channels This unit provi
123. me setting to several unit use the Set button to add the current NXAMP to the group you wish o If no group exists so far you will be prompt to enter a group name Reni name Enter name for new group New groui o If a group already exists you will be redirected to the Properties page of the NXAMP where you will be able to select a group Sampie Pata 0 Sge al Dubie BELLES TOH Group AUL Grap SID Drup DILAT aap PAGE 92 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER Select the group you wish to put the NXAMP in You can group NXAMP4x1 and NXAMP4x4 into the same group One NXAMP can be part of several groups for example you can do a group with all units and some smaller ones for specific applications The remote control page of the group can be accessed if you press the Group tab in the left view of ESmonitor If you select a non empty group you will be able to access the remote control page of the group like shown bellow a Properties rigs g A Control DIGITAL D DIS IT A LINX AMP4x4 Output Monitor Amplifier Status Setup Noah P FOH wt a Cp a NMP O FLAT HO PROTN P ALL OE 4 ch amplifier Hiec a Set Sh J 48 Standby Scene Ni Scene 0 selected 84 VA yva PP ya VOA Set Settings Mute Mute All Unmute ll 4 A i i 414 inf OdB inf dE inf Ode inf Ode e ss se Gain 0 0d6 0 0d6 0 0d6 0 0d6 Sse AE AE dd Delay 0 0 m 0 0 m 0 0m
124. n Geometrical alignment In the example below r being the smaller distance from MAIN SYSTEM array to listener position and r being the smaller distance from SUB to listener position the distance difference is then r r specified meters or feet e r gt r the delay should be set on the SUB NXAMP Powered TDcontroller s er lt r the delay should be set on the MAIN SYSTEM NXAMP Powered TDcontroller s To convert the result in time delay specified in seconds apply t r r2 C r and r in meters C sound speed 343 m S The delay parameter is set in MENU Delay See above However it is a safe practice to double check geometrical alignment with a proper acoustical measurement tool Measuring and aligning phase in the overlapping region Microphone must be set on the ground at a fairly distant listening position typically further than the mixing position Phase must be measured with a wrapped display and measurement must be properly windowed on signal arriving time Same window for SUB and MAIN SYSTEM When measurement is synchronized to the system microphone distance phase can be clearly PAGE 80 OF 151 INSTALLATION RECOMMENDATIONS displayed in the low frequency range If the MAIN SYSTEM phase reading appears to be superior to the SUB phase reading then MAIN SYSTEM will have to be delayed with a value cl
125. n NXAMPAx Nexo config Select one speaker setup by turning the wheel till the setup number appears blinking on the LCD screen in this example you can toggle between the Crossover Xover and the Wide setup Then depress the B button OK Once the setup is loaded the amplifier will go back to the default screen If you don t want to change the current speaker setup simply press the A button Back NXAMP4x1 If you want to recall a setup from another family you should first press the Select 4 All button the previous display without All on screen will be displayed but this time all the setup will be available when turning the wheel NXAMP4x1 N B When changing setups inside the same speaker family the settings of the unit input patch delay gain are kept If you choose another family settings will go back to the default values PAGE 50 OF 151 MENU DESCRIPTION Custom config When entering the Custom config menu the first display shows the current setup for the selected output including speaker name variant and crossover points s if available NXAMPAx SELECT O You can display the current setup information for each output by depressing the corresponding Select button If you want to change a setup for one output just press the Edit button NXAMPAx First step is to select the Serie i e family by turning the wheel for example here the PS Serie You
126. n the setup gain for the channel and the optimization of the gain ranging done by the CPU PAGE 38 OF 151 BLOCK DIAGRAM DESCRIPTION The NXAMP TDcontroller will limit the user gain adjustment to a group of channel in specific case such as cardioids setups for example on CD18 setup gain is linked between front and rear loudspeaker Protections Each channel has its own simulation and protection process Each audio channel contains a combination of controlled gain stages let s call them VCA s as in our analogue circuitry These VCA s are embedded into complex composite structures in order to change their basic operation into frequency selective attenuation This operation is similar to that of a voltage controlled dynamic equaliser VCEQ Each VCEQ and VCA is controlled by the synthesis of several signals issued from the various detection sections That synthesis is in fact the envelope of those signals with an optimised release and attack time for each VCEQ and VCA depending on its frequency range and the cabinet selected One or several of the protections below can be used depending on the setup chosen Source signals for protection algorithms 25 Signals coming from amplifier output voltage current processor output and status from amplifier are all sources that will lead to protection system implementation Displacement control 7 8 9 The amplifier output voltage sense input signal is sent to a shaping filter prod
127. n Network audio device select the target NXAMP This NXAMP should be connected to the LAN through its Remote ES100 port and should be in ASIO mode To NXAMP or To NXAMP ES Select the number of Inputs Outputs with the I O count setting For NXAMP this setting is either 2 2 meaning 2 channels of audio out from the computer to the NXAMP or 4 4 meaning 4 channels of audio out from the computer to the NXAMP A bigger number of channels mean more bandwidth used on the network and more ressources used on the computer so if 2 channels are enough for stereo track playback for example we recommend using this setting The Status light should be green in the AVS AsioControlPanel if the NXAMP is ready to receive audio It will blink if any ASIO host is currently streaming audio to the NXAMP Setting up the ASIO host Select Auvitran ASIO in the ASIO host output device menu Most of the time the ASIO host will allow to patch the output of the software to the device input channels MN WARNING The NXAMP supports only a sampling rate of 48 KHz Thus the ASIO host should send data only at this sampling rate or the stream will be refused by the ASIO streamer Use eventually a software resampler on the audio host to convert the source sample rate to 48 KHz PAGE 102 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL NXDT104 expansion board Dante patching and remote control On the back panel of the NXAMP
128. n that mode the NXAMP is no longer an Ethersound receiver and becomes a four channel Ethersound source 22 Scene Saving or recalling a scene can be done here pressing the Set button Scene selection Scene Name Empty Empty Empty Empty Save Recall Select the Scene of your choice and then choose Save or Recall The scene and there name are saved into the NXAMP itself For each channel the speaker setup information is displayed PAGE 98 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER Scene selection Scene Name CH1 CH CH3 CH4 Scene_P515 RS150M R515 OM P515R2 PA PS15R2 PA 60 20k 60 20k Empty Empty Empty Warning Switching from a scene to another one is immediate and does not ask for any confirmation even if the cabinet family or cabinet type is changed Therefore take care when changing scene under live conditions 23 Cabinet Setup Pressing the Set button in this control displays the list of the setups available into the memory of the NXAMP By default only the setup from the same family are displayed NB First time you press the Set button for a NXAMP firmware that is not known yet by ESmonitor on this computer it might take a few seconds to read all the setups available Factory Setup selection H Setup Name a1 PS15R2 PA XO3 4 R515 OM 1 2 Current setup Show only setups from same family 5 Show all setups
129. n that the user will use one of the following mains cord to use NXAMP4X4 or NXAMP4X1 Please choose one from the list bellow NXAMP4X1 NXAMP4X1 for UK PLUG CORD CONNECTOR TE NXAMP4X4 ee CORD ONNECTOR NXAMP4X4 for UK WELL SHIN WS 012A WELL SHIN HO5VV F 3G 1 5mm2 NAC3FCA LONGWELL LP 61L LONGWELL HO5VV F 3G 1 5mm NAC3FCA VOLEX MP5004 VOLEX HO5VV F 3G 1 5mm2 NAC3FCA PAGE 149 OF 151 ROHS CERTIFICATE ROHS certificate ASARELE APR AR ERKE SRAM Ht Pb i Cd AG Cr VD ppp PBDE shat HER x O O O O EN hil x X x O O O O RANA BEA WATE AE TA SE E EEST 11363 20066 VELE H BR Be KUF RAA A MR DA AE OA A ER HH SI T 11363 2006 pa ELE H Ble et ESE CH R F LEUMROHS E S DR IIEUDROHS E RIRE L TU ET This product conforms to the RoHS regulations in the EU Dieses Produkt entspricht der RoHS Richtlinie der EU Ce produit est conforme aux r glementations RoHS de l UE Este producto cumple con los requisitos de la directiva RoHS en la UE 10 hens AF EPS NARA MEA AAA TAE m AA SC Ap Re ARRIER PAGE 150 OF 151 USER NOTES Nexo S A Parc d Activit de la Dame Jeanne B P 5 F 60128 PLAILLY Tel 33 3 44 99 00 70 Fax 33 3 44 99 00 30 E mail info nexo fr WWW nex0 Sa com PAGE 151 OF 151
130. nding can result in electrical shock Do not open e Do not open the device or attempt to disassemble the internal parts or modify them in any way The device contains no user serviceable parts If it should appear to be malfunctioning discontinue use immediately and have it inspected by qualified NEXO SA service personnel A CAUTION Water warning e Do not expose the device to rain use it near water or in damp or wet conditions or place containers on it containing liquids which might spill into any openings If any liquid such as water seeps into the device turn off the power immediately and unplug the power cord from the AC outlet Then have the device inspected by qualified NEXO SA service personnel e Never insert or remove an electric plug with wet hands If you notice any abnormality e If the power cord or plug becomes frayed or damaged or if there is a sudden loss of sound during use of the device or if any unusual smells or smoke should appear to be caused by it immediately turn off the power switch disconnect the electric plug from the outlet and have the device inspected by qualified NEXO SA service personnel e If this device should be dropped or damaged immediately turn off the power switch disconnect the electric plug from the outlet and have the device inspected by qualified NEXO SA service personnel Always follow the basic precautions listed below to avoid the possibility of physical injury to you or othe
131. nectors for the channel selected in zone 6 when all settings are set to default position with a FLAT setup except the volume set to O dB attenuation The true output voltage can be slightly different depending on selected Speaker setup and user settings but this does not affect the performance of the load monitoring system Set the level to 1 volt is a good start then adjust the output level to have a stable reading of the impedance in the zone 7 of the display Long speaker cable and high impedance speaker s connected might need a higher output voltage A too big output voltage can lead to sub harmonic generation that can be audible at the speaker output 3 and 4 Impedance low and high limits Once the measured impedance is display in the Zone 7 you can select low and high limits that will trigger the fault report on the GPIO port of the NXAMP of on the Ethersound network To report the impedance fault on the GPIO port set the GPIO to mode 5 see above To report the impedance fault on the Ethersound network dedicated hardware like Auvitran AVNF49 ES or software should be used Please contact us for further details on this These limits in zone 3 and 4 should be adjusted with care External parameters such as cable type and length temperature wind and output level can slightly change the Speaker s impedance measurement Be sure to adjust these limits on site in real life conditions to prevent false triggering of the impe
132. nnection to the computer and download software Nxwin description PAGE 21 OF 151 WHAT S INSIDE THE CARTON BOX NXAMP4x1 What s inside the carton box MN WARNING The shipping weight of the NXAMP4x1 U or C version is nearly 21 Kg 46 lb The shipping weight of the NXAMP4x4 U C or W version is nearly 30 Kg 66 Ib Because of the large size of the carton box it is recommended to manipulate the box with two persons Open the box with care to prevent damage on the content Inside you will find e 1 x NXAMP Quick start guide 32 pages 7 languages e 4 x Rubber pad e 1 x NXAMP Powered TDcontroller with NX DFLT card fitted e 1 x Mains cord for NXAMP4x1 or 2 x Mains cord for NXAMP4x4 e 1 x CD ROM containing manuals and product brochures for the whole NEXO range N B The provided mains cord is Chinese type for NXAMP4x1C or NXAMP4x4C 220 240 Volts version and US type for NXAMP4x1U or NXAMP4x4U 100 120 Volts version or NXAMP4x4W 110 120 220 240 Volts version PAGE 22 OF 151 SETTING UP ADVICE Setting Up Advice Earth connection AN WARNING THIS APPLIANCE MUST BE EARTHED The green and yellow wire of the mains cord must always be connected to an installation Safety earth or ground The earth is essential for personal safety as well as the correct installation of the system and is internally connected to all exposed metal surfaces Any rack framework into which this unit may be mounted is assumed to
133. nnels E F G and H are the four Network inputs of the unit through the NXES104 fitted into the expansion slot N B Use one of the previous tabs Net Patch or I O patch to select which Ethersound channel will be routed to the NXAMP inputs See the ESmonitor user manual for details PAGE 91 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER 3 Standby button Pressing this button will put the NXAMP in standby mode the large power supplies used by the power amplifiers are turned off and the controller is put in a low power mode Once in standby the control page of the NXAMP in ESmonitor will become gray and all the controls are non working To resume from standby mode you can either press the standby button again in ESmonitor or press the B button on the front panel for at least 5 seconds till the load revision appears again on the LCD screen 4 Delay Unit Here you can choose the delay unit between millisecond meters or feet by depressing the corresponding radio button 5 Security Lock This button allows locking the Local hardware interface on the front panel or the Remote through the ESmonitor buttons to prevent changing the settings on the NXAMP Both controls can be locked at the same time Locking unlocking can be set unset through ESmonitor or through the NXAMP front panel 6 Group If you want to group several NXAMP into the same group in order to apply sa
134. ns PEAK MXAMP functions k Copy settings Ws Paste settings Copy all scenes Paste all scenes PAGE 89 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER Copy settings allows to copy the current setting of a NXAMP to another NXAMP or group of NXAMP in the network Select the target NXAMP or NXAMP group see Group tab in the tree view and choose Paste settings Copy all scenes copy the content of all scenes stored in the NXAMP memories to another NXAMP or group of NXAMP Select the target and press Paste all scenes This is usefull to have same scenes for all NXAMP in the inventory The control page If you are using AVS ESmonitor v3 8 or above with NXAMP using LOAD previous LOAD2_52 only the limited control page shown bellow will appear BA Piopertes E NetPatch WU Patch fi Coral Hee GeoSubl Geod If 6 L 4 9 H eo DA e gt Vol dB gt Inpuk Mode Dinag Digital DEL HILL CII DELL HIT CEE E JI LIL T 4 ER JBF3 UBS TW UL TW UT UW LINIIL TU HIDE 11 Advanced cup Delay Urat m 0 0 0 0 0 0 0 0 11k art ait ait Ar PO 0 0 0 0 de 0 0 de 0 0 dE n a a a a e a _ a 7 a p Patch WE WE we we tebe Cole Cele Celie as Aba as ae Esc Eso Edo Esc Eso Here is now the full control page when using ESmonitor v4 1 6 and LOAD3_ 23 PAGE 90 OF 15
135. oller to the correct pins on speakON 4 and speakON 8 connectors Thus connecting any of the NEXO speakers is very straight forward More over it is easy to connect several DPU together in case you need multiple amplifiers to feed a unique speaker system Front panel description 1 SpeakONO 4 poles output There are four connectors like this on the front panel These connectors will be used to connect any Nexo speaker that uses the same type of connector 2 SpeakONO 8 poles output There are two connectors like this on the front panel These connectors will be used to connect the Nexo speaker of your choice if it uses the same type of connector of it is uses EP6 connector The use of speakers with EP6 connectors means the use of external pin to pin adaptor from speakON 8 to Amphenol EP6 with the following arrangement SpeakON 8 input EP6 output 3 LCD display There are four LCDs like this one on the DPU These LCDs indicate which speaker should be connected on which output See further in the manual to have the actual displayed information PAGE 119 OF 151 DPU DIGITAL PATCHING UNIT FOR NXAMP Back panel description 1 Mains connectors There are two mains connectors on the DPU These two connectors lead to two fully redundant power supplies for redundancy purpose meaning that the DPU can still work even if one main is missing or in the very unlikely case that a power supplies fails Be sure to connect the
136. on Block Control Block RS232 GPIO DSPs Expansion Slot Block Digital data Communication link lt gt Power distribution link Analogue Audio Signal NXAMP4x4 Global architecture The diagram bellow shows the global architecture of the NXAMP4x4 amplifier PAGE 29 OF 151 YA Channel 1 Channel 2 Power Outputs Block Channel 3 Channel 4 GENERAL DESCRIPTION AC supply A Power Switch Power Supply Block A Analog Input Block co ala Channel 1 Channel 2 Channel 1 Power Amplifier EEEngine Channel 3 Channel 2 Power Channel 4 Outputs Block User Interface Block de o LCD Switches Encoder LED 0 Communication Block Control Block RS232 GPIO DSPs Power Amplifier EEEngine Channel 3 Channel 4 Expansion Slot Block Ac Supply HO Power Supply Block B NW mmm Digital data Communication link lt gt Power distribution link Analogue Audio Signal Power Supply Block Power Supply is certainly the most important part of an amplifier Most of the time the Power supply is limiting the power of an amplifier more than the amplifying circuit itself e On NXAMP4x1 two large power supplies are used one for channel 1 and 2 and the other for channel 3 and 4 e On NXAMP4x4 four large pow
137. or LF or with GeoT setups requiring more than one NXAMP to feed all channels or with STM to feed a four way system using bridge amplifiers Each time a DPU has nothing displayed on a line of one of its display it means that the corresponding pins on the associated speakON connectors are floating Thus it can be feed with other DPU output The following example will show how to connect two DPU together to feed a speakON 8 connector to a complete STM system S118 B112 M46 First NXAMP4x4 will run the setup number 76 of the LOAD3_23 running the STM in stacked mode feeding Main boxes M46 in active on two channels and the STM bass box B112 on two other bridged channels The DPU outputs will then be DIGITAL PATCHING UNIT Note that the 1 1 pins of the first SPK4 are not connected to anything and that the corresponding display line is empty Second NXAMP4x4 will run the setup number 81 of the LOAD3_23 meaning the S118 in Omni mode PATCHING UNIT Note that this time the 2 2 pins on the first SPK4 are not used We will now use a SPK4 link cable to plug to link the first SPK4 output of the second DPU in the first SPK4 output of the first DPU Thus the S118 signal will be also available on the SPK8 together with B112 and M46 allowing the user to have only one speakON 8 cable to feed up to 3 x S118 3 x B112 and 3 x M46 PAGE 125 OF 151 SPK8 To STM Stack iW y DIGITAL PATCHING UNIT CLASS 3
138. ose to the one given by the geometrical alignment If SUB appears to be in advance to MAIN SYSTEM then SUB will have to be delayed with a value close to the one given by the geometrical alignment Phase alignment can be considered as correct when phase is coincident over the entire overlapping range typically an octave from 60 Hz to 120 Hz and when the overall response is always superior to SUB s and MAIN SYSTEM s individual response PAGE 81 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER NXES104 expansion board remote control and ASIO driver On the back panel of the NXAMP Powered TDcontroller there is a slot where the user can easily insert an expansion board to add digital inputs and remote control to the unit Since July 2009 all NXAMP4x1s and NXAMP4x4s are shipped with an expansion card fitted in the NX DFLT card This card prevents output noises when main AC power feeding NXAMPs is brutally shutdown ie power down at the end of the show before NXAMPs are switched off NX DFLT card should always be fitted in when no other expansion card is used The NXES104 is an expansion card for NXAMP compatible with the Ethersound network technology in its ES100 version This board offers 4 digital inputs chosen among the 2 x 64 Channels of 24 bits 48 KHz audio data of the Ethersound frame and also remote control of the unit through the PC based application ESmonitor AN WARNING Only 48 KHz Ethersound n
139. ows bellow the text box You can also simply go to this control by utilizing the mouse wheel N B On some setups the ArrayEQ settings may be linked 15 Headroom settings By using the arrows bellow the text box the Headroom value for one channel can be adjusted You can also simply go to this control by utilizing the mouse wheel N B On some setups the Headroom settings may be linked 16 Amplifier Status This control displays the current status of the Amplifier If all parameters are OK like temperature DC offset mains value etc the display will be NXAMP ALL OK If not the error will be displayed here If the unit is in standby it will be also shown here 17 Overmute The Mute all button acts as an Overmute button When pressed the four channels of the unit will be muted but the individual mute status of each channel is preserved That is why the Mute all button is called Overmute it is just like a second layer of muting as you can see in the picture bellow Channel 1 Channel 2 Mute All Channel 3 Channel 4 If you are in the following situation Some channels are individually muted and the Mute all is ON like on the picture bellow gray channels are muted Channel 2 Channel 4 PAGE 95 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER Now if you press the Channel 2 Mute on the amplifier front panel or into ESmonitor the Mute all function wil
140. p Choose Components o Choose which features of NEXO Firmware Updater you want to Le install Check the components you want to install and undheck the components you don t want to install Click Next to continue b Select components to install D C EtherSound API Description Firmware update Space required 9 4ME lt Dock Next gt Cancel Then through the start menu double click on Programs gt Nexo gt Firmware Update gt NXwin4 The Nexo loader will appear on the screen of the computer Use the Browse button to select the firmware file the extension is dld N NEXO Firmware Loader NEXO Visit our Web site WIAA MEzO 54 COM Step 1 Choose file to download CHLOAD3_22 dld Browse Step 2 Choose port interface Serial Port comi ka Network D Link DGE 528T Gigabit Ethernet Adapter 4 Step 3 PROGRAM Mawin version 4 2 0 6 c Nexo 2009 2014 Then choose the serial port note only the detected and available serial ports appear in the list or the Ethernet network card connected to the NXAMP Powered TDcontroller and finally press the download button The following splash window should pop up on screen PAGE 130 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE Power on NX while holding the Mute 1 button down and wait for the DOWNLOAD WANING message Press OK when ready Lancel To upgrade the NXAMP
141. precision of the amplifier itself from one unit to the other small differences in the manufacturing of the custom transformer of the larges power supplies are the main factor for having different power capability e The precision on the dummy loads has also been checked with a calibrated ohmmeter Due to all this tolerances we can compute a value for the power output of each channel of the amplifier in a precision of 10 Measurement method The input signal is a burst sine wave at 1 KHz for 20 ms every 500 ms We increase the input level up to reaching 1 THD N on the distortion analyzer We measure the signal with the scope cursor as shown in the picture bellow 500 msec Y N Vburst 1 msec Close up er The last one wave of burst signal The center of the emission line shall el bem io 20 msec be adopted as the measurement value AS OS Signal gt Cursor We do 4 measurements for each output so we do 16 measurements per unit Then we average on 4 units of NXAMP4X1C or NXAMP4X4C Then we redo the same with 4 units of NXAMP4X1U or NXAMP4X4U mains being 120 Volts 2 0 Volts at 60 Hz Finally we average all the measurements and this is the values which are written in the datasheet of the NXAMP Powered TDcontrollers PAGE 148 OF 151 USABLE MAINS CORD IN EUROPE Usable mains cord in Europe The SEMKO CE certification in Europe is based on the assumptio
142. put4 is ON when setup 4 has been recalled GPOutput5 reflects the GPInput1 with a small delay and without glitches GPOutput6 reflects the GPInput2 with a small delay and without glitches GPOutput7 reflects the GPInput3 with a small delay and without glitches GPOutput8 reflects the GPInput4 with a small delay and without glitches Warning If a setting is changed on the NXAMP unit through front panel or remote control the LED will not turn off and if the corresponding button is pressed again the originally saved setup will be recalled GPIO mode 5 Loudspeaker Impedance monitoring This mode is used for outputting the status of the loudspeaker impedance monitoring system integrated into the NXAMP on the GPIO port You will need to set up the Load Monitoring in the Options gt Load Monitor menu to use this function properly Meaning when set to 0 Pin Name In Out Meaning when set to 1 Default GPInput 1 CH 1 unmuted CH 1 muted GPInput 2 CH 2 unmuted GPInput 3 CH 3 unmuted GPInput 4 CH 4 unmuted GPInput 5 NXAMP is ON GPOutput 1 CH 1 is not ok GPOutput 2 CH 2 is not ok GPOutput 3 CH 3 is not ok GPOutput 4 CH 4 is not ok GPOutput 5 Not All channels are ok GPOutput 6 Not all amplifiers are ok GPOutput 7 Unused GPOutput 8 Unused If GPInputl is High Channel 1 will be muted If GPInputi is Low Channel 1 will be unmuted Front Panel mute Unmute is still working PAGE 68 OF 151 MENU DESCRIPTION
143. r GREEN and YELLOW GREEN AND YELLOW EARTH The wire which is colored BLUE must be connected to the terminal which is marked BLUE NEUTRAL with the letter N or colored BLACK BROWN LIVE The wire which is colored BROWN must be connected to the terminal which is marked As the colors of the wires in the mains lead of this apparatus may not correspond with the letter L or colored RED with the colored markings identifying the terminals in your plug proceed as follows This applies only to products distributed in the United Kingdom COMPLIANCE INFORMATION STATEMENT DECLARATION OF CONFORMITY PROCEDURE 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation See user manual instructions if interference to radio reception is suspected This applies only to products distributed in the United States of America EUROPEAN MODELS Purchaser User Information specified in EN55103 1 and EN55103 2 Speakon D Speakon C Speakon B Speakon A Inrush Current 16 A Conforms to Environments E1 E2 E3 and E4 This h mark indicates a dangerous electrically live terminal When connecting an external wire to this terminal it is necessary either to have a person who have received appropriate guidance on handling make the connection or to use leads or a cord that have been manufactured in such way that the connection can be made
144. r repair PAGE 132 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE Then Nxwin will upgrade the NEXO part of the NXDT104 firmware while the status bar of Nxwin displays the Estimated Arrival time N MEXO Firmware Loader NEXO Visil our Web sile Network Devices VA NEAR Step 1 Choose file to download MAC address Product Firmware Status C OAD3_16 dld 218 00 10 c1 06 2c E2 MXDT104 0x1001 Updating Step 2 Choose port interface e a E CO senal Port COM Remaining Time 1 40 Updating 2 6 2232 Kb ETA 1mn 40s Elapsed Omn 25s 21 Once finished with this NXDT104 part Nxwin might ask to restart the NXAMP in download mode again to upgrade another Dante firmware only with NXDT104 running an old firmware or it will now update the NXAMP part of the firmware NXWin4 First step is done now turn the device OFF wait for 2 seconds i 4 Power ON again while holding the Mute 1 button down Once the OK button is pressed Nxwin will wait for 70 seconds for the NXDT104 to reboot and eventually the DHCP to give an IP address to the card again Then another Dante firmware or the NXAMP firmware download should start but depending on your network configuration you might encounter this message NxWind Firmware upgrade failed h Please restart upgrade procedure If so press the OK button and the Nxwin will go back to its default screen PAGE 133 OF 151 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE
145. ral description of the setup The drawing bellow shows the setup used to measure the output power Audio Generator with Distortion Analyzer Digital Scope bLenmeseseseseseseseseseseseses e The Audio Generator with distortion analyzer is used to generate test signals It analyzes the output of the amplifier to measure the THD N thus we can know when we reach the clip of the amplifier with a certain value of distortion typically 1 The NXAMP under test is powered through a monitored power supply with voltage adjusted to 230 Volts 2 0 Volts and 50 Hz The 4 analog inputs of the NXAMP Powered TDcontroller are linked together so all the channels are fed DSP setup is FLAT NO PROTN meaning that no EQ or gain is applied and that only the amplifier protections are working The volume is set to O dB attenuation Each output of the amplifier is connected to a dummy load 8 4 or 2 Ohms On one channel we loop the voltage back to the distortion analyzer and to a digital scope to PAGE 147 OF 151 APPENDIX B HOW IS MEASURED THE AMPLIFIER POWER measure directly the output voltage on the screen Precision of the measurement e All the measurement tools Digital scope and distortion analyzer have been recently calibrated less than one year e We ve made some measurements on some batch of NXAMP to have a clear idea of the
146. re in parallel for each input marked A to D allowing to link several DMU together 2 Input view meter Fore each input a view meter is installed between the two XLR This meter shows the audio level with a maximum of O dBr meaning the clip of the input stage witch is 28 dbU The scale is the following Number of LEDs ON NXAMP A D out level 6 dB 12 dB 18 dB 24 dB 30 dB 36 dB 42 dB lt 42 dB UIOIN A 3 2 Pp O 3 Network inputs These Ethercon connectors can be used either when NXES104 or NXDT104 cards are fitted into the NXAMP Network status LEDs are fitted next to each network port but there meaning is slightly different depending on the card fitted PAGE 115 OF 151 DMU DIGITAL METERS UNIT FOR NXAMP Network card Network LEDs state fitted ON NXDT104 No link Link OK Activity NXES104 No Link unused Link or Activity Back panel description O O a 1 Network outputs These three RJ45 outputs are passively connected to the front panel Ethercon connectors A great care has been taken in PCB design to ensure a minimum loss on the signal path The network data will always flow from front panel to back panel of the DMU even if it is not powered 2 Analog outputs These four XLR 3 outputs are passively connected to the front panel XLR marked from A to D A great care has been taken in PCB design to minimize the distortion on the signal path The analog audio signal w
147. ress Select 4 or change the current password press Select 1 In this last situation you will need to enter the new password NXAMP4x1 In the previous menu you can then press the Select 2 or Select 4 buttons and toggle the Local or Remote access between FREE or LOCKED If you leave this menu and come back to this security menu later on you will need to enter the password again GPIO Mode To access the GPIO Mode menu go to the Option menu and select the sub menu 5 GPIO mode see above As a reminder the pinout of the GPIO on the DB 25 connector is given bellow PAGE 62 OF 151 MENU DESCRIPTION T yndul d9 O O U U E m TD Le E ct ct ul E Indu da Z ndul d9 8 andno d9 Z ndo d9 9 iNdMO d9 S Indino dD 3ndjno d9 Z ndo d9 T NANO d9 5 V Output for GPIO GND contact for GPIO View from the back of the amplifier This menu allows choosing the way the GPIO are handled by the NXAMP Powered TDcontroller There are currently 5 modes of GPIO which are described bellow To change the current GPIO mode press Edit Select 4 button and turn the wheel up or down to the selected GPIO mode Once done press OK Select 4 button to validate your choice NXAMPAx TD CONTROLLER To put a GPI pin in the High state connect it to one of the 5 Volts output on the GPIO DB 25 connector See above in the user manual for proper pin out When nothing
148. rs or damage to the device or other property These precautions include but are not limited to the following Power supply Power cord e Remove the electric plug from the outlet when the device is not to be used for extended periods of time or during electrical storms e When removing the electric plug from the device or an outlet always hold the plug itself and not the cord Pulling by the cord can damage it e If you are using the NXAMP4X4 be sure to plug each power cord into separate branch circuits employing separate service grounds Plugging into the same circuit can result in electrical shock e To disconnect the NXAMP4X4 from the mains unplug both power cords Location e When transporting or moving the device always use two or more people Attempting to lift the device by yourself may damage your back result in other injury or cause damage to the device itself e Before moving the device remove all connected cables e When setting up the device make sure that the AC outlet you are using is easily accessible If some trouble or malfunction occurs immediately turn off the power switch and disconnect the plug from the outlet Even when the power switch is turned off electricity is still flowing to the product at the minimum level When you are not using the product for a long time make sure to unplug the power cord from the wall AC outlet e If this device is to be mounted in an EIA standard rack leave the back o
149. rs are optimised to work in conjunction with overall system response PAGE 37 OF 151 BLOCK DIAGRAM DESCRIPTION The high pass filters are also extremely important as they optimise excursion at very low frequency which is a very important safety factor Therefore do not use set ups which are not designed for the cabinet you are using Equalising wideband acoustical response 3 This wideband equaliser section achieves the correction required to obtain a flat system response as the cabinets are acoustically designed for maximum efficiency on the whole frequency range Active rather than passive attenuation allows the lowering of amplifier voltages for a given output SPL and therefore increases the maximum SPL achievable with the same amplifier Active equalisation also extends system band pass especially at low frequencies where acoustical performance is limited by cabinet size User set up Array EQ 4 For each channel an Array EQ is currently implemented in the NXAMP The cut off frequency of a low shelving filter for wideband or LF output or high shelving filter for HF ouput is factory tuned for each cabinet set up The user has access to the gain of this filter The array EQ is tuned in order to reproduce the effect of the bass coupling allowing the user to increase or diminish the effect of the stacking see further about the Array EQ menu or Array EQ setting from ESmonitor Equalising single component response and NXSTREA
150. s intended to avoid unwanted effects as a result of a too long attack time constant By anticipating the operation of the temperature limiter it prevents a high level Audio signal appearing suddenly then being kept up for a period which is long enough to trigger the temperature limiter Without this a rough and delayed gain variation would result which would be quite noticeable and unnatural The Physio control voltage acts independently on the VCA with its operation threshold Slightly lower 3 dB that of the temperature limiter and a low compression ratio its optimised attack time constant allows it to start operating without any subjectively unpleasant transient effects Interchannel regulation 19 As described before each transducer is individually servo controlled for temperature This means in practice that in case of a potential risk detected protective operation would only affect the concerned driver Your driver will be protected but the overall system tonal balance could be altered if the different channels are not heating at the same time In addition triggering a temperature protection means that the loudspeaker has already lost some efficiency power compression up to 3dB in extreme cases The purpose of interchannel regulation is to cancel that effect by linking VCAs together When the protection is activated on one channel and reaches a predetermined threshold the regulation section begins to correct the balance between the
151. sanseusdoavenscavoudyanovssevacdsasdesasvessoass 136 CHOOSING A CABINET SE TPS a e ll le be 136 DEL EC TING CABINET AMM eE 136 SELECTOR CABINE TSE TO PUS ei ei Oe AEAN PE RE ERR ona S ee eden 136 NXAMP TECHNICAL SPECIFICATION Scouse ie id 137 NXAMP THERMAL DISSIPATION AND CURRENT DRAWN ccccsscossscccsscccsscccsscccsssccsscccsscsccsssccessccessscescees 138 PAGE 10 OF 151 TABLE OF CONTENT NXAME DIMENSIONS eis wee A ee its 139 DIU TECHNICAL SPECIFICATIONS die eh eee ee ee as 140 DPU TEC HNICAL SPECTIFICA TIONS 0 eed a eS 140 PMU DEMENSIONS ei eee Are ec ee eee arcana dead eae oe wa wee aaa 141 BPU DIMENSIONS 2 E ede see ee ee a ee cities 141 NXES104 amp NXDT104 TECHNICAL SPECIFICATIONS ccccccccsccccccccccccccccccccccccccccccccccccccccccccccccccesceccccoscoess 142 APPLICATION NOTE DRIVING THE SUB FROM THE AUX SEND cccccsccccccccccccccccccccccccccccccccccccccoecs 143 WHAT IS THE PHASE RELATION BETWEEN THE AUX AND MAIN OUTPUT OF YOUR DESK c cccesceccecceccecescesceccecescuseeces 143 WHY IT IS UNLIKELY THE AUX AND MAIN HAVE THE SAME PHASE cccescecceccecccceccectecceceecsceccecescescesescescesceseecescaseuseeses 143 CONSEQUENCES OF BADLY ALIGNED SYSTEMS un AAA 143 PRECAUTION SO CHEO Ki ii cen e sel D re 144 APPENDIX A LIST OF SUPPORTED PRESETS LOAD3 23 cccccsccccccccccccccccccccccccccccccccccccccccccccccccceccccoccoese 146 APPENDIX B HOW IS MEASURED THE AMPLIFIE
152. seo 119 RONTPANP DESCRIPTION EA AR A A ASA A R 119 E SPEAKON OA POLE SORRENTO 119 2 SPEAR RON DIS POLEO O 119 Or BB DIS PERS o 119 DACK PANEL DESCRIPTION a 120 Ch MAINS CONN CTORS LS cdo DE OS 120 2 SPEAKON AIN AS ees 120 Y in 121 OPERATING THE PU j A A en o esina d 121 CONNFCTONS ANDSTAPT UE aoee a ains 121 DP UFRONT PANEL CONNECTORS ROUTING tds 122 DPUDISPLAYED INE TORMA TION creira ile d ces 122 WNUSED FRONT PANEL CONECTOR Sd ed dee Ann 124 LINKING SEVERAL DO PU TOGETHER lt 6 ii 125 NXWIN4 SOFTWARE FOR NXAMP FIRMWARE UPGRADE seo seossoossessseossoosseosseossooseoossoossooseooseooseooseooseooseo 127 WHAT YOU NEED TO UPGRADE YOUR NAAM P ais 127 SERA PORT UPORADE erci ne a e A cds 127 NETWORK PORT UPGRADE FROM NXES104 OR NXDT104 eee eeceeeeeeesseessseesseesseseeseeeseseeeeeeeseeeeeeeeeeeeeeeeeeseeeeeeeees 128 CONNECT THE COMPUTER TO THE NX AMP ia D nina EA VE ORTONE OE AEA EAE E 128 CHREMORE SOO PORT toco 128 2 ETAERSOUND EIN POR Evens scien a nn A A idad 128 CROSS 2 N 129 4 DANTE PRIMARY SECONDARY OR REMOTE PORT niine rentrer daa 129 PUTINE NXANEPINDONNLOAD MODE sais attestent ia 129 USING THE INAWING SOFTWARE oes ssscscoscaaceassiacsucuascccvadoancsssoucuncwadsuss6uscasusecslnecssuduuvebeveleedssucduesbessedeens ias 130 BEGIN THES GRADE Sosa tesa sitters e e yet ons Rone e tl dd cuss eine es 131 USING THE CONTROLLER AFTER FIRMWARE UPDATE s sscisccsacecswssoussnsdvacdescessscsocseasevsvesbed
153. so the only place where you can Unsubscribe by pressing the button in the bottom of the window meaning releasing the patch between a sender and a receiver This is useful when you want to remove unwanted error message in the Dante Controller because of old route not used anymore File Device Help SR F gt Y000 NEXO NXAMP4x1 062cfa a Receive Stats Device Con Network Conf Receive Channels Availahle Channels Channel Connected to Status HXAMP E HEXAMP F NXAMP G NXAMP H The second tab Transmit is grayed because a NXAMP cannot send audio data on a Dante network Next tab is Status where you will have information about bandwidth used and error counters on each network ports as well as software revision Next Device Config tab is a very important tab where you can adjust the Receive Latency PAGE 109 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL gt Dante Controller Device View YO File Device Help S 3 Y000 NEXO NXAMP4x1 062cfa Receive 25551 Status Device Contig Network Config 52525025 Rename Device YOO0 NEXO MXAMP41 062cfa Sample Rate Current Sample Rate 48k New Sample Rate 48k Pull up down This device does not support Pull up down configuration Kecenve Latency Current latency 0 45 msec Latency Maximum Network Size a 0 25 msec Gigabit network with three switches gt 0 5 msec Gigabit
154. sover point Also a polarity inversion may be performed These adjustments are part of the factory set ups and are necessary to time align the corresponding cabinet that is selected User set up delay The user can adjust the delay for each channel see further about the delay menu or delay setting from the ESmonitor The maximum delay allowed is 66 6 meters per channel N B This user delay will be added to the converter latency DSP buffering latency and factory set up delay The NXAMP TDcontroller will limit the delay adjustment to a group of channel in specific case such as e Active setups where two different channels are in the same physical cabinet it is then impossible to delay one channel without the other one for example PS15 Active setup delay is linked between HF and LF e Cardioids setups will also prevent to adjust the delay on one channel only for example CD18 setup delay is linked between front and rear loudspeaker e In the particular case of the RS subs in Omni the two channels of amplifiers dedicated to RS output are linked also together to prevent setups errors when cabling directly RS in Omni mode to amplifier outputs Equalisation amp Filtering Subsonic and VHF filtering 3 Low and high pass filters are used to filter out frequency components that could possibly degrade the performance of the NXAMP Powered TDcontroller and loudspeakers connected depending on the cabinet setup chosen The filte
155. st bellow supports ASIO protocol The ASIO streamer allows you to send directly four channels of digital audio in 24 bits 48 KHz from a PC computer to any NXAMP connected directly or through a local area network No soundcard or external hardware is needed Thus the NXAMP can be seen as a remote soundcard The ASIO streamer works in point to point mode meaning that a PC computer running the ASIO streamer can send audio to one NXAMP only But on the other hand 1 From a unique NXAMP receiver in ASIO mode the audio can be send to other NXAMP as well using an Ethersound network NXAMP in daisy chain for example see ASIO mode above 2 Several pairs of computer NXAMP can exchange audio data using ASIO streamers on a local area network at the same time 3 Several computers can be configured to stream audio to the same NXAMP but cannot send at the same time once a computer stop playing audio it will free the ASIO driver the audio host software might need to be shut down thus another computer can use the driver now PAGE 100 OF 151 NXES104 EXPANSION BOARD REMOTE CONTROL AND ASIO DRIVER Installing the ASIO streamer The ASIO streamer is a piece of software designed by Auvitran and that can be downloaded from there website www auvitran com It works on Windows based PC computer This software will install 1 A virtual soundcard ASIO driver named Auvitran ASIO on your computer with 2 or 4 audio outputs
156. t is dB To change the headroom for a given channel select the channel first by pressing the corresponding Select button The channel name on screen will then be put between bracket see on the picture above channel 2 is selected Then turn the wheel to change the headroom setting from 8 dB to O dB You can select multiple channels by pressing several Select buttons at the same time When a selected channel reaches the maximum value it will cease to increase by continuing to turn the wheel but other selected channels may still increase the setting be careful not to change a gap between two channel settings when selecting multiple channels at the same time In some special circumstances cardioids setups for example it is mandatory to have same headroom settings on two or more channels Then changing the headroom on one of these channels will automatically adjust the headroom on the other channels Headroom concept The headroom settings adjust the input output analog gain to ensure the best matching between program material and NXAMP internal gain structure PAGE 47 OF 151 MENU DESCRIPTION With heavy content like open air rock concert you will need the full input range sensitivity This is the most typical situation In that case the headroom should be adjusted to O dB Default headroom position 0 dB situation Max input lev Max Output Level Analog A Amp chi Input Analog B gt Analog input i ig
157. t of the amplifier as long as it is connected to mains Even if it is in the Off position the amplifier will consume a minimal current If you plan to use remote control to turn the amplifier On or Stand by then you must first turn this power switch to the On position No operation is possible when the power switch is on the Off position 2 Amplifier indicators These Three LEDs above the power switch indicate the status of the amplifier The two first LEDs Power and Stand by indicate the power status of the amplifier e If both are off the amplifier is powered off e If Power is lit the amplifier is in use e If Stand by is blinking the amplifier is in stand by PAGE 15 OF 151 QUICK START Stand by mode consumes slightly more current than in Power off mode but allows the amplifier to be brought back from Stand by to power on mode through remote control The last LED Amp Protect reflects the protection status of the amplifier If this LED is lit it signifies that the amplifier is reducing or muting one or several outputs due to malfunctions as overheating output DC short circuitry In combination with other LEDs indicators and LCD display the cause of the problem will be clearly displayed Please see further for more details Please also note that the Amp Protect LED will light while the amplifiers power Supplies are starting 3 LCD display This large and easily readable 2 x 40 chara
158. that are not suited for EtherSound networks Level 5 cable supports transmission rates of up to 100Mbps 200Mbps in full duplex CAT5e even 1Gbps is the most common today Category 6 supports up to 10Gbps for CAT6 and CAT7 new standards are under development Horizontal solid cable and patch stranded cable Both UTP Unshielded Twisted Pair and STP Shielded Twisted Pair come in stranded and solid wire varieties The stranded wire is the most common and is also very flexible for bending around corners Solid wire cable has less attenuation and can span longer distances but is less flexible than stranded wire and cannot be repeatedly bent and therefore not suitable for live applications Following are the twisted pair categories Horizontal cable also called solid cable is made of plain copper conductors and has a low characteristics shift with aging It must be used for long runs of steady cabling typically the cables inside walls and ceiling Patch cable also called stranded cable more flexible is made of stranded copper conductors and has larger losses and characteristics shifts than horizontal cable It can be used for versatile termination between wall outlet and device or between devices These cables are explicitly labeled PATCH The TIA EIA 568A wiring standard allows the use of horizontal cable up to 90m 295ft lengths with a maximum amount of 10m of patch cable for both ends added together UTP FTP ScTP
159. the card Another advantage of the Remote control port is to provide a redundancy of the remote control when the two Primary Secondary Dante ports are used in redundant mode as Secondary Dante port will then filter Dante audio data only Last important advantage of this Remote port is that all three port of the NXDT104 are connected to a 100 Mb 1 Gb switch so Dante data can also be transmitted received to from this port Thus when the Primary Secondary Dante ports are using in switch mode the NXDT104 offers 3 switched Dante ports meaning that each NXDT104 can be linked to two other Dante compatible devices thus reducing the number of switches in the network On top of this plug you will find 2 LEDS The left one Link means that the equipment is connected the right one Activity meaning that frames are received Ethemet Additional hardware In the previous description of the NXES104 Ethersound card for NXAMP in this manual several characteristics of Ethernet additional hardware where described to achieve a good implementation of Ethersound networks PAGE 104 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL Dante networks can be compared to a standard computer network Dante is based on TCP IP so a very large choice of devices can deal with Dante information just like standard network packets Bellow is a few advices for correct Dante network implementation Hubs
160. ther confirmation message will be displayed Choose Yes to go on with recalling this is button Select 4 or No to go back to the previous screen NXAMP4x1 DIGITAL TD CONTROLLER Security The menu allows locking the local control or the remote control of the NXAMP To access the Security menu go to the Option menu and select the sub menu 4 Security see above When the local controls are LOCKED the user can navigate into the menus but cannot change settings of the unit However the MUTE buttons are still working This feature is enabled through a password that the user can choose 8 letters The default password is NEXONEXO When the remote controls are LOCKED the user can monitor the unit but cannot change settings through the network However the MUTE buttons are still working This feature is enabled through the same password When this menu is entered the following display will appear PAGE 61 OF 151 MENU DESCRIPTION NXAMP4x1 To change either the local or the remote control access press the corresponding Select 2 for local control or Select 4 for remote control button If the password has not been entered yet it will be asked now NXAMP4x1 If the wrong password is entered it will be displayed and you can then only go back to previous menu which will be still in read only If the good password is entered you then either go back and edit the previous menu p
161. tions the base latency of the NXAMP has been reduced to its minimum thus loosing the compatibility with NX242 family of products Now with LOAD3_01 and above the setups themselves offer different level EQ crossover points and protection algorithm which cannot fit into older hardware like NX242 or NX242ES4 Software Basic Menus and functions are more or less the same only little learning curve is needed to go from the NX242 to the NXAMP LOAD3_23 does not fit other hardware than NXAMP Please use LOAD2_58 as latest version for NX242 with or without NXTENSION and LOAD2_48 as latest version for NX241 with or without NXTENSION CAI Note however that the NXAMP can t be flashed with LOADs prior to 2_46 and must always use NXWIN 4 software embedded with the firmware in the archive file What s changed Integrated amplifier The most notable improvement is the integration of the amplifier module that will simplify the cabling from the user point of view but also allow a much more efficient integration of loudspeaker controller with the amplifier needs Thus the digital controller becomes also an amplifier controller This is not simply two units inside the same box but a powerful use of the DSP resources for both cabinets and amplifier being driven PAGE 12 OF 151 NXAMP VERSUS NX242 WHAT S NEW Computing resources The DSP resources have been multiply by 3 5 between the NX242ES4 and the NXAMP so it means by 7 between th
162. tput is fed into a shaping filter each one producing a Signal proportional to the instantaneous current flowing into the voice coil of the transducer After rectification this signal is integrated with attack and release time constants equivalent to the thermal time constants of the voice coil and chassis producing a voltage which is representative of the instantaneous temperature of the voice coil When this voltage reaches the threshold value corresponding to the maximum safe operation temperature the VCA or the VCEQ becomes active to reduce the Audio signal level and limit the effective temperature to fall under the maximum usable value In order to avoid detrimental effects induced by very long release time constants coming from the temperature detection signal level being reduced for an extended period pumping effects the detection signal is modulated by another voltage integrated with faster time constants matching the sound level subjective perception This allows the controller to reduce the effective operation duration of the temperature limiter and make it sound more natural while the efficiency of protection is fully preserved and operation thresholds are unaffected kept as high as possible In case of passive cabinet another set of temperature simulation is done to protect the H F driver this is block 17 PAGE 40 OF 151 BLOCK DIAGRAM DESCRIPTION The so called Physiologic Dynamic Control see block diagram i
163. tputs are in phase you can feed a 100HZz signal at the input and monitor the MAIN and AUX on a dual trace scope Always apply EQ or processing to all signals feeding the NXAMP So the phase relation is not affected PAGE 144 OF 151 APPLICATION NOTE DRIVING THE SUB FROM THE AUX SEND Never add additional low pass filtering on the SUB Or high pass to the main system Inverting polarity on one channel should always result in a massive difference near the crossover point If the sound is more or less the same the system is no longer aligned PAGE 145 OF 151 APPENDIX A LIST OF SUPPORTED PRESETS LOAD3_23 Appendix A List of Supported presets LOAD3 23 Please see the LOAD3 23 4ch_setups_list pdf included in the documentation to see a complete list of four channels presets supported in LOAD3_23 by the NXAMP powered TDcontroller Please see the LOAD3_23_speakers_setups_list pdf included in the documentation to see a complete list of the various modes and crossovers available for each speakers of each family in the LOAD3_ 23 Please refer to the documentation enclosed with the firmware if the one loaded in your NXAMP is not LOAD3_ 23 PAGE 146 OF 151 APPENDIX B HOW IS MEASURED THE AMPLIFIER POWER Appendix B How is measured the amplifier power This part of the document describes the setup we have used to measure the power available on the NXAMP Powered TDcontroller outputs for each load 8 4 and 2 Ohms Gene
164. ucing a signal whose instantaneous amplitude is proportional to the voice coil excursion this is Global displacement block 7 This signal after rectification is compared to a preset threshold matching the maximum usable value as determined from laboratory measurements Any part of the signal exceeding the threshold is sent to the VCEQ control buffer while the VCEQ acts as an instantaneous limiter very short attack time to prevent displacement from overriding the maximum permissible value Another set of VCEQ this is first displacement block 8 is used to protect the loudspeaker from an excessive displacement in the next worst displacement frequency area this usually is 3 dB bellow the global displacement protection area In case of band pass cabinets we need another set of VCEQ this is first displacement band pass block 9 to protect from another peak of secondary displacement All these VCEQs have separate shaping filter separate action filters for VCEQ and separate Ratio Attack and Release time Mechanical stress control 10 11 Whereas some frequency areas are dangerous at high level due to excessive displacement of the loudspeaker see above there is another area where the displacement of the loudspeaker is minimum but then the mechanical stress on the cone during large input Signals is maximum To protect from overstressing the loudspeaker VCEQ process can also be used in these PAGE 39 OF 151 BLOCK DIAGRAM DES
165. ug in use 1 Speaker Name The speaker name is indicated next to each plug to be used For example bellow for a set of PS15R2 setup number 41 in LOAD3_ 23 DIGITAL PATCHING UNIT You will notice that the second line of the display is used meaning that the output is on the 2 2 pair of each speakONO 4 connector Note the arrow to each SPK4 connector For an Alpha setup setup number 8 in LOAD3_23 using speakON 8 connector The S2 and the B1 15 have an arrow to each side one to the SPK8 the other one to the SPK4 because you can either use a SPK4 to connect directly the S2 and the B1 15 or you can use a SPK8 to a M3 cabinet from which you will link a S2 or B1 15 using a SPK4 The M3 cabinet can be connected using SPK8 only so it shows only arrow to this plug Note that the M3 text is displayed on both line because is is an active speaker using both 3 3 pair and 4 4 pair of the SPK8 connector 2 Speaker Mode For some setups the mode is shown also on the display alternatively For example for our PS15R2 setup if you edit the setup for Channel 2 and select a monitor setup the DPU display above will alternate with DIGITAL PATCHING UNIT This information told us that the PS15R2 to be connected on the first SPK4 should be a passive PA cabinet the one connected to the second SPK4 will be passive PA also but uses a Monitor setup PAGE 123 OF 151 DPU DIGITAL PATCHING UNIT FOR NXAMP For our Alpha ex
166. unctionality This function works by muting the analog inputs while the audio network is OK see below for details If the audio network fails the analog inputs are automatically unmuted If the audio network comes back then the analog inputs are muted again PAGE 74 OF 151 MENU DESCRIPTION NB All analog and digital inputs are still available for NXAMP input patching when Analog Fallback is used But analog inputs will be muted if audio network is running When used with NXES104 The Ethersound network should be in star configuration for the Analog Fallback to work properly It does not work in daisy chain configuration except for simple network like one mixer to one receiver It does not work with ASIO input either The detection is based on a valid Ethersound stream on the IN port of the NXES104 If a valid Ethersound stream is detected the analog inputs will be muted else they will be unmuted A typical example network is shown bellow A NXAMP 1 AUN NXAMP 2 e PA NXAMP 3 dy O NXAMP 4 AAA Digital Mixer ES Switch a ns is il a As long as the Ethersound link between the Mixer output and the NXAMP inputs is running the analog inputs will be muted and the patched digital inputs will be used as audio source for all channels co D NXAMP 2 pos EEE BeBe eee eee Switch En Digital Mixer If the Ethersound link is broken the analog inputs will be unmuted and
167. unplugs This type of connector also ensures a longer life to the internal RJ45 contacts because it preserves it from external traction PAGE 103 OF 151 NXDT104 EXPANSION BOARD DANTE PATCHING AND REMOTE CONTROL Use this port as a Dante Primary port when connecting to a Dante network 2 Network Ports Status LEDs The two LEDs next to the Primary port show the link activity status of the Primary port The two LEDs next to the Secondary port show the link activity status of the Secondary port 3 Dante Secondary Port This Port running at 100 Mb or 1 Gb automatically selected features an Ethercon connector Use this type of connector to secure your Dante network from unwanted unplugs This type of connector also ensures a longer life to the internal RJ45 contacts because if preserves it from external traction Use this port as a Dante Secondary port when connecting to a Dante network 4 Remote port The Remote port running at 100 Mb or 1 Gb automatically selected expands the functionality of the classical two ports Dante compatible network cards The first target of the Remote port is allowing the user to have a separate network for control and monitoring thus allowing full bandwidth for Dante audio data on the dedicated Primary and or Secondary ports AN WARNING Do not connect several ports of the NXDT104 to the same switch This will create a loop and stop all traffic on all network ports of
168. usting the headroom be sure to always use program material that matches the actual program that will be played and check that the Peak LED for this channel is not starting to blink ata lower level than before it yes it means that you are lowering the maximum output of the amplifier because of a too low headroom then increase the headroom Default headroom position O B should be considered for most application If you are not sure of how to adjust headroom leave if to the default position 0 dB which ts the safest position PAGE 48 OF 151 MENU DESCRIPTION Note Because same analog input signal can be routed to several outputs it is always best to use same value of headroom on all channels or to use separate analog input to various outputs using link at the back of the amplifier if needed Using different values of headroom on channels using same input can reduce or cancel the effect of the headroom Note Headroom effect is compensated on the digital inputs using digital gain Note Software peak limiter prevents hard clipping of the converters if needed in case of reduced headroom value thus gentle lighting of the Peak LED can be authorized without sound quality issue Options Menu With this menu you can enter some sub menu to adjust parameters of the NXAMP does do not need to be changed during the normal use of the amplifier mainly during setup of the unit only Bellow is a picture of this menu NXAMPAx The sub m
169. ve the Sub section of a PA system This gives the mixing engineer more flexibility to set the level of its subbass relative to the main PA apply special effects use a different EQ on the Sub However it also rises some serious issues for the performance amp safety of the system mostly time alignment What is the phase relation between the AUX and MAIN output of your Desk At NEXO when we align systems we take great care to have an optimum phase alignment from one octave above to one octave below the crossover frequency point By doing so we ensure that both drivers are working perfectly together and providing the best efficiency possible It is then up to the user to adjust the delay on the NXAMP to match the physical path difference of the different systems It is thus possible to get a well adjusted system even without measuring instruments If you choose to drive the Sub from the AUX you feed the NXAMP with two signals coming from different sources If those two sources MAIN output amp AUX send are not exactly in phase you are introducing a delay without knowing it into the crossover between your main system and your sub Without the proper measurement tools you will never be able to tune the system as it should be Why it is unlikely the AUX and MAIN have the same phase e Signal paths are likely to be different any filter modifying the bandwidth and EQ of the signal is also affecting the phase Example a 24dB oct hig
170. y the Rx LED of the IN port will blink The two LEDs next to the OUT port shows that data is received from the OUT port when the top one marked Rx blinks or are send through the OUT port when the bottom one marked Tx blinks NB When used with mono directional Ethersound network if no remote control computer is connected only the Tx LED of the OUT port will blink 3 Ethersound OUT Port This Port features an Ethercon connector Use this type of connector to secure your Ethersound network from unwanted unplugs This type of connector also ensures a longer life to the internal RJ45 contacts because if preserves it from external traction Use this port as an Ethersound OUT port when connecting to an Ethersound network 4 Remote ES100 port The ES100 is an upgrade of the original Ethersound standard It offers new functionalities but can also be downgraded to standard Ethersound network for compatibility with older devices See bellow for details This Remote ES100 port is a remote control port ASIO input port that is designed to be used with shared Ethernet LAN i e not dedicated to Ethersound Connect the PC computer s running ESmonitor and or the ASIO streamer to this port AN WARNING Do not use this port if your NXAMP Powered TDcontroller is used in an Ethersound network with some non ES 100 devices On top of this plug you will find 2 LEDS The left one Link means that the

NXAMP4x1 & NXAMP4x4 USER MANUAL v3.1

Contents

Download Pdf Manuals

Related Search

Related Contents

NXAMP4x1 &amp; NXAMP4x4 USER MANUAL v3.1

Contents

Download Pdf Manuals

Related Search

Related Contents

NXAMP4x1 & NXAMP4x4 USER MANUAL v3.1