K Manual - CUK Audio
Contents
1. bridge mode figure 1 6 1 K3I and K2I model requires Phoenix Contacts GMSTB 2 5 2 ST connectors for output connections the polarity is showed in the figure below In K3l stereo end bridge mode output follow wiring show on figure 1 6 1 Phoenix Contacts K3I K2l GMSTB 2 5 2 ST model only figure 1 6 2 Topey sot 1 1 7 Connecting Remote Control You can control the amplifier via a RS485 The figure 1 7 1 shows the connection of the data cable to the plug located to the rear panel of the amplifier connection The same figure shows also the ID selection for Remote Control in this case ID 28 to change the ID rotate the selectors at the desired value The selected ID value also is shown in Hardware info section see par 2 3 18 Made in Italy PAT PENDING Wur z 5O Z e 7T z q PEC 2 XLR E I GND 2eNe 3 N 3 2 IUTPUTS 1 PARALLEL 2 POSITIVE 1 PARALLEL 2 NEGATIVE 3 OUT2 LNKON 8 pin mio 4 modular C plug ID selection example Vext 485 ID 28 GND 485 figure 1 7 1 12 WSiWersoft 1 8 AUX Input CH1 CH2 K2I and K3l only These inputs are automatically selected in place of the line input CH1 CH2 when an external voltage of 24V DC is applied through the AUX COMMAND input these inputs can be used for emergency signals as pre recorded evacuation messages or similar alarm messages 1 9 Alarm CH1 CH2 K2I and K3I on2. Class B In a domestic environment this product may cause radio interferences in which case the user may be required to take adequate measures This equipment has been tested and found to comply by Notified Body Directive 2006 95 EEC L V pursuant to the audio apparatus safety requirements Standard EN 60065 K3 K2 This equipment has been tested and found to compliant by Competent Body Directive 89 336 EEC EMC pursuant to the product family standard for audio professional use EN 55103 1 and EN 55103 2 standard EN61000 3 2 EN 61000 3 3 Conducted Emissions Electromagnetic Ambient E1 E2 E3 Class B Radiated Emissions Electromagnetic Ambient E4 E5 Class A Radiated Emissions Electromagnetic Ambient E1 E2 E3 Class B In a domestic environment this product may cause radio interferences in which case the user may be required to take adequate measures Additional round snap ferrite of at least 145 Ohm 25 Mhz and 265 Ohm 100MHz on Output cables and Mains Cord allows to fulfill Electromagnetic Ambient E1 E2 E3 Class B on radiate Emissions This equipment has been tested and found to comply by Notified Body Directive 2006 95 EEC L V pursuant to the audio apparatus safety requirements Standard EN 60065 K20 This equipment has been tested and found to compliant by Competent Body Directive 89 336 EEC EMC pursuant to the product family standard for audio professional use EN 55103 1 and EN 55
3. In this screen you can view some information about the hardware of the amplifier e SIN the serial number of the amplifier e HW ID the hardware identifier selectable by rear panel rotary encoders if you push the more button you can view the other info e KFRNT the version number of the front panel e KCTRL the version number of the controller e KDSP the version number of the DSP board e KAESOP the version number ethernet adapter if you push the more button you can view the other info e Lifetime the operating time of the amplifier 2 3 19 Hardware monitor In this screen you can view some information about the system parameters e PWRBSCH1 PWRBSCH2 amplifier power supply voltages channel 1 2 e VAUX internal auxiliary voltages if you push the more button you can view the others parameters e 5VAN auxiliary analog voltage e VEXT external remote control voltage e VAUX if the OK written is displayed auxiliary voltages of power supply are correct e IGBTCONV if the OK written is displayed the DC DC converter monitor function properly e 192KHZ if the OK written is displayed the frequency system clock is right 20 y 2 3 20 LCD contrast In this screen you can set the contrast of the LCD display by pushing the buttons see figure 2 3 19 Contrast SSS 6 TE a NECEM figure 2 3 19 2 3 21 Set keylock code In this screen you can insert the numeric key to unlock the settings the same screen appe
4. date of purchase from an Authorized Powersoft Dealer During this time if your amplifier fails for any defect in components and or labour under a correct and regular use it will be repaired or at our sole opinion replaced without any charge a part for the transport expenses to return the unit at Powersoft premises The repaired replaced amplifier will be finally returned to you with the original shipping carton at our charge The Warranty conditions will not be applied in case the amplifier has been ulteriorly damaged by repair attemps inadequate or poor packaging any kind of improper use maintenance overvoltage incorrect connection use with wrong or faulty associated equipment or accessories exposure to rigid weather conditions excess moisture etc Warranty terms will not be consider for any unit where the serial number has been removed and or it is not clearly readable Powersoft is not responsible for any incidental or consequential damages the responsibility is limited to the product itself Powersoft reserves the right to make changes or improvements in design or manufacturing without assuming any obligation to change or improve product previously manufactured 6 Assistance Thelocal Powersoft distributor reseller will be glad to support you in case of fault or for any additional information If you cannot contact your local distributor reseller please mail to support audio powersoft it Do not ship any unit to Powersoft for Fa
5. the next power on 2 3 9 Idle Mode The idle mode function is a power saving feature By activating it if the amplifier doesn t detect the signal for the user defined amount of time the output stage is turned off saving about 40 W of power per channel This means reduced heating longer amplifier and fans life and especially for fixed installation permanently turned on a lower electricity bill 2 3 10 DSP Settings This sections is implemented if optional DSP board is present 2 3 11 Ethernet Settings This sections is implemented if optional Ethernet board is present 2 3 12 Bar meters In the Bar meters screen you can choose if the LED bars operate as output voltage meter and LCD bar in the main screen as output current meter by selecting LED Volt LCD Curr or viceversa by selecting the other item 2 3 13 Output meters In the Output meters screen you can view the values of the output signal for CH1 and CH2 Furthermore the impedance of the load is showed in the bottom line of the screen see figure 2 3 9 Minimum of output voltage for impedance measurements is 10Vrms measurements values are stored into logbook Time between single impedance measurements can be up to several minutes depending on program signal Output power is shown as maximum value every 200 mS B8 Urms 0 Arms B Watt DET Zload 8 6 figure 2 3 9 In C1 2 mode the screen shows the output values in bridge connection 18 y 2 3
6. 1 9 Alarm CH1 CH2 1 10 AES EBU Input QAM IDtroduClolicssine tede itd nime nier tdmen i qid ied t Paestum E A E E ENEA 2 2 The Main screen 2 3 The main menu 2 331 Output SALLE MUO Ms crier ichs E rne ei S ander entente A rd pl cT LG NE ME e ree EEEET 2 9 2 Gaii Serisili VIL sime ert pce reb d ec E t eue i enun d D E dcl bd aladdin 2 3 3 Input select 2 3 4 Max output voltage 2 3 5 Max mains current 2 3 6 Clip limiter CH1 CH2 2 3 7 Gate CH1 CH2 2 3 8 Mute at power on niin es 2 3 9 dle IMOUB coit tmi 2 3 10 DSP Settings sss 2 3 11 Ethhernet Settings 2 3 12 Bar meters 2 3 13 Output meters 2 3 14 Temperature 2 3 15 Mains meters 2 3 16 Amplifier Name widmen 2 317 Local preset iei tipi ies 2 3 18 Hatdware info ees resa sete 2 3 19 Hardware monitor E saat ae 29 20 CCD COM aS Ete iret serere toi der exter eee tes aeree tip testenzi estas aseesdupdepsaacidesacnnt A teeny 2 38 21 Set Cd We E 2 3 22 Menu locking ines 2 3 23 SerVieec casse tiet 2 3 24 The Smartcard function Chapter 37 Protection ecce etceccia tes eticeeis cesis cis centis Ped caine sai cal aicalsguesllsghsp tcp sp au ula usu M In Here a AREE REI EI dp IR Chapter 4 User maintenance Chapter 5 Warranty Chapter 6 A
7. 103 2 standard EN61000 3 2 EN 61000 3 3 Conducted Emissions Electromagnetic Ambient E4 E5 Class A Radiated Emissions Electromagnetic Ambient E4 E5 Class A In a domestic environment this product may cause radio interferences in which case the user may be required to take adequate measures This equipment has been tested and found to comply by Notified Body Directive 2006 95 EEC L V pursuant to the audioapparatus safety requirements Standard EN 60065 K2 and K3 pending A Warning notices LOCATION Install the amplifier in a well ventilated location where it will not be exposed to high temperature or humidity Do not install the amplifier in a location that is exposed to direct rays of the sun or near to hot appliances or radiators Excessive heat can adversely affect the cabinet and internal components Installation of the amplifier in a damp or dusty environment may result in malfunction or accident Precautions regarding installation Placing and using the amplifier for long periods on heat generation sources will affect performances Avoid placing the amplifier on heat generating sources Install this amplifier as far as possible from tuners and TV sets An amplifier installed in close proximity to such equipment may cause noise or degradation of the picture WARNING To prevent fire or electric shock e The ventilation should not be impeded by covering the ventilation openings with items such newspapers table c
8. 14 Temperature In the Temperature screen you can view the historic temperature diagram of the last four hours of the final current use in the range from 10 to 90 C in the bottom right side of the screen there is the present value see figure 2 3 10 figure 2 3 10 2 3 15 Mains meters In the Mains meters screen you can view the voltage and the current of the mains see figure 2 3 11 Mains meters z 178 Urms 28 firms back figure 2 3 11 2 3 16 Amplifier Name The amplifier name together with the current preset name can be displayed by enabling the Display amplifier data function The 20 characters amplifier name together with the 40 characters preset name is shown in an different way when the amplifier is in the starting page of the main menu The amplifier name can be assigned by the Edit amplifier name command for the text editing see Local preset handling section 2 3 17 Local preset There is the possibility to store up to 50 presets on amplifier local memory By choosing the Save local preset command the current amplifier configuration basic amplifier settings KDSP board settings if DSP board is present is stored on the local memory To proceed the menu asks to choose one of the 50 available presets see figure 2 3 12 showing the preset number and name If the preset was never used it is named empty By pressing ok you can enter the preset name The selected character is
9. 3 K4 K6 K8 KIO K20 GAIN dBV dBu Vrms 26 4 46 5 29 4 16 5 10 5 50 6 32 6 95 26 25 0 27 18 29 8 15 3 76 2 96 3 62 3 90 4 45 4 90 29 21 6 24 12 32 2 23 2 66 2 10 2 55 2 75 3 16 3 48 32 19 0 21 9 35 1 58 1 88 1 48 1 81 1 96 2 23 2 46 35 15 6 18 6 values of sensitivity Vrms values of maximum balanced input 16 y 2 3 3 Input select You can choose among three different input modes if available Analog Digital AS3 with or without DSP processing and Ethernet The up and down buttons change the selection the sel button locks the selected option Available only with optional DSP board Available only with optional KAESOPboard 2 3 4 Max output voltage The figure 2 3 7 shows the Max output voltage screen You can choose to set CH1 CH2 or both by pushing C1 2 button The and buttons change the value of the max output peak voltage The ranges available are showed in the table below Hax output voltage 182 Upeak 182 LES E figure 2 3 7 MODEL K2 K3 K4 K6 K8 K10 K20 40 to 140 40 to 165 40 to 125 40 to 153 40 to 169 40 to 200 40 to 225 Values of peak voltage V 2 3 5 Max mains current The figure 2 3 8 shows the Max mains current screen The and buttons change the value of the max mains current input in the range from 15 to 32A 8 to 16A for K3 K3I K2 and K2I Maximum main
10. 91 3G6 SUT 3XAWG10 SALCAVI Bahoing SJT 3x16AWG or l sheng SGIS 3G1 5mmq for K3 K2 A Speaker damage The DIGAM series amplifiers are among the most powerful professional amplifiers available and are capable of producing much more power than many loudspeakers can handle It is the user s responsibility to use suitable speakers with the amplifier and to use them in a sensible way that will not cause damage Powersoft will not be responsible for damaged speakers Consult the speaker manufacturer for power handling recommendations Even if you reduce the gain using the amplifier s front panel attenuation controls it is still possible to reach full output power if the input signal level is high enough Asingle high power crescendo can damage high frequency drivers almost instantaneously while low frequency drivers can usually withstand very high continuous power levels for a few seconds before they fail Reduce power immediately if you hear any speaker bottoming out harsh pops or cracking distortion that indicate that the speaker voice coil or diaphragm is striking the magnet assembly Powersoft recommends that you use amplifiers of this power range for more headroom cleaner sound rather than for increased volume yo A S Speaker output shock hazard A DIGAM amplifier is capable of producing hazardous output voltages To avoid electrical shock do not touch any exposed speaker wiring while the amplifier is operating This manual contains im
11. DIGAM K SERIES K20 K10 K8 K6 K4 K3 K2 Digital Audio Amplifier for Professional Applications User Manual V1 14 12 5 2009 This page left intentionally blank yo A Important safety instructions Chapter 2 Setup and settinigs i iuisiceeoiocee dbi icr coe nara Hit aude EAE OG ERAS d rr c D Ea RERO cn Table of contents DUI sU Warming INOUCESE PEE Safety PUE SAna ide abuses aaa Poesie Speaker damage ien eren eis Speaker output Shack hazard eoe sonta coi ducent ec ausit e reddes epa aaa a jaleseb se had rea espada a eaaa ncs au ed aa Luppnirengeem c More sound andi 165S WAIN EET Superior ASOUNG SOMIC een DL T Totally Digital with High Reliability The Best amplifier for Your Mains The K Series exam The Show Always Goes On Chapter 1 Installation and operation 1 1 Unpacking uite etti EZ MOUNINO eT RES 1 2 1 3 Operating precautions 1 4 AC Mains connection 1 5 Connecting Inputs 1 6 Connecting Outputs 1 7 Connecting Remote COMOL uinea ER cb ordei Lnd Re efi x PERRA E TaT AEE XL ARRA S EAR EEEa RERE UAE RR AERE RR OL KERER Bi e n duse p C
12. LED in the ascending order indicates an output level of 3dB 6dB and 10dB rispectively The green LEDs will be lighted during normal working The yellow LED will light at 1 dB If the level of the audio signal reach the channel output capability red LED will be triggered The LED bars have diagnostic function also a flashing yellow LED indicates a critic range of temperature from 80 C to 85 C of the power devices on the corresponding channel if this LED is lighting constantly the temperature is above 85 C A lighting constantly red LED indicates that the corresponding channel is under protection and in this case the writing PROT appears in the first line of the display 14 J3Wersoft The fourth line of the screen shows the functions of the buttons below The lock function is activated if the corresponding button is pressed more than 1 second in this case all the other buttons are locked The same operation unlocks these buttons unlock code is required see par 2 3 17 for more details The mute buttons switch off the two channels independently in this case the parameters of the correspondent channel disappear and the writing muted appears on the third line The same operation disables the mute function If the menu button is pressed the main menu is displayed on the LCD screen 2 3 The main menu The figure 2 3 1 shows the main menu You can scroll the menu items by pushing the up or down buttons and choose the
13. N OUPUT STAGE 2 INVERTING Ld GAIN bs h SELECTION 1 HF OUPUT STAGE TEMPERATURE POWER SUPPLY FROM INPUT CH2 Eu LIMITER CURRENT LIMITER CONTROL CURRENT LIMITER POWER SUPPLY HP DETECTOR CLIP p n LIMITER uP N HP figure 7 1 1 AUXILIARY SHUT DOWN SUPPLY M RESONANT POWER RAIL Vboost OK PFC IGBT CONV OK j gt CONVERTER BUS TO pP CONTROLLER CONTROLLER TO pP _ TN EE gt AUXILIARY BRIDGE SUPPLY I FUSES MAINS RECTIFIER PFC RESONANT gt FILTER gt CONVERTER CONVERTER DE gt Y gt E AUXILIARY MAINS I pP REMOTE ON OFF SUPPLY LP 4 VOLTAGE MONITOR FRONT TEMPERATURE OVERCURRENT MAINS PANEL CONTROL CONTROL SWITCH AUXILIARY LIP CURRENT MONITOR ks id gt SHUT DOWN VauxOK 4 HP lt gt FAN TO uP figure 7 1 2 26 7 3 Technical specifications POWER REQUIREMENTS Power SUpply s eerte ete eere aiena Power factor O merrsotc T 115 230V 15 15 m more than 0 95 0 90 for K3 K2 from 500W to full power ERES 0 C 45 C Weight iiec e ies rect ere mid arid irera in gee 8Kg 17 6 Ibs for K3 K2 12Kg 26 5 Ibs all others External dimensions ssssss Standa
14. OPEN Digam K3 K2 only open the lock j ce and insert the plug T lock the plug A a GROUND a other K models Vac GND figure 1 4 1 yo 9 1 5 Connecting Inputs Input connections are made via the 3 pin XLR female type or 1 4 phone Jack connectors on the rear side of the amplifier The polarity is shown in figure 1 5 1 wua Mom oa 2 EH ae pin2 X 3 EE rH OUT2 naa wt f ui S pint GNO 4 ad f pin3 IN S IN IN gt an a figure 1 5 1 The figure below shows the connection of analog input for balanced and unbalanced line You can use both configuration but you must consider that unbalanced long line can introduce noise in the audio system The Link switch located in the rear panel is for direct paralleling the rear input connectors You can use the remaining input connector to carry signal to other amps v IL P INI I SHIELD INI IN Balanced input Unbalanced input figure 1 5 2 For K3 K2 and K3l K2l the input connections are showed in the figure below analog input for balanced and unbalanced line is also available for this models Input connections for K3l K2l are made the 3 pin Phoenix Contact MC 1 5 3 ST 3 81 wer wre a o 1 G j im N0 N od a oft OS pin Fg e XLR female pin2 IN pin3 IN I 44 oa 2 signal source input pin 2 INt X XLR female connector Pa XLR male signa
15. ars when the unlock button in the main screen is pressed There is a universal key to unlock the settings this is 270156 Set keylock Code 966068 ENJ EE ee EET2UNI figure 2 3 20 2 3 22 Menu locking In addition to the basic pushbutton locking function a new menu locking strategy was introduced There are three levels of locking All locked Allow safe Allow all All locked only the menus for displaying infos are enabled the other are hidden Presets cannot be loaded Allow safe user can change from Analog input to AES3 input always with DSP into the signal path Some common DSP parameters can be changed AES3 gain trim main delay DSP input selection Only local presets can be recalled and they should be all safe for the speaker system connected to that amplifier example HF driver 3 dB HF driver 0 dB HF driver 3 dB Allow all all settings menus are enabled User can recall presets from either local memory or smartcard Furthermore local presets can be made Read Only by enabling the Lock presets function in order to preserve the original settings stored on the amplifier The lock code when set different from 000000 protects the whole Menu locking submenu Available only with optional DSP board 2 3 23 Service The key to activate this function is factory reserved y A 21 2 3 24 The Smartcard function There is the possibility to store up to 150 presets for each settings smartcard shown figure 2 3 21 T
16. bserve the following instructions for its installation use and servicing Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat e 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 provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet e Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus e Only use attachments accessories specified by the manufacturer e Unplug this apparatus during lightning storms or when unused for long periods of time 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 no
17. ctory Service before having had the Powersoft authorization 7 Technical notes 7 1 General Dimension _ 456 K3 338 497 K3 380 466 K3 348 483 19 OWErSOoJ 7 2 Block diagram The figure 7 1 1 shows the the output stage block diagram the figure 7 1 2 shows the power supply block diagram ETHERNET POWER RAIL CONNECTION bP uP BUS DSP DC DETECTOR OPTION FUSES SHUTDOWN n OUTPUT OUTPUT MAX ee p i PATH ATTENUATOR VOLTAGE SELECTOR OUTPUT CH1 ETHERNET SELECTOR INPUT CH1 OPTION B3 OUPUT STAGE i NOT INVERTING aie GAIN A SELECTION HF OUPUT STAGE TEMPERATURE POWER SUPPLY FROM Lud LIMITER CURRENT LIMITER CONTROL CURRENT LIMITER POWER SUPPLY HP DETECTOR uP CLIP LIMITER uP pP FAN HP link switch TO POWER ETHERNET POWER RAIL SUPPLY CONNECTION uP uP BUS DSP DC DETECTOR OPTION FUSES SHUTDOWN OUTPUT OUTPUT MAX i PATH ATTENUATOR VOLTAGE SELECTOR OUTPUT CH2 ETHERNET SELECTOR x OPTIO
18. ely 80 C the yellow LED starts to flashing If the temperature is more then 85 C the thermal sensing circuitry will mute each power section channels the LED will light permanently and the power supply will be cut off Once the heatsink has cooled down the amplifier will automatically reset and the LED will be go out It is possible to reduce the temperature by reducing the output power 3 4 DC fault protection If DC or excessive subsonic energy appears at a channel output an instantaneous protection circuit will cut off the power supply for both channels Power supply shutdown is used instead of speaker relays thereby improving the damping factor and reliability of the DIGAM amplifiers 3 5 Input Output protection An ultrasonic network decouples RF from the outputs and keeps the amplifier stable with reactive loads yo A 4 User maintenance 4 1 Cleaning Disconnect the amplifier from the AC main source first use a soft cloth to clean the faceplate and chassis 4 2 Dust removal Especially in a dusty environment the front side filters clog with dust after prolonged use this will interfere with cooling You may use compressed air to remove the dust from filters To remove air filters see fig 3 4 1 unscrew n 2 M2 5X8 23 screw and rotate the covering grill repeat the same operation on the other side VA coverage grill screw filter figure 4 3 1 4 3 Error Codes Error code Error desc
19. erage power density of 4096 of the maximum level conventional amplifiers can easily generate 10 times more heat than DIGAM for the same volume of sound Superior Sound Sonic Accuracy Crystal clear highs and a tight well defined low end the most accurate reproduction of an audio signal Patented design features ensure very high performance in parameters such as distortion frequency response slew rate power bandwidth and dumping factor Totally Digital with High Reliability The DIGAM series is based on PWM technology that has been used for 30 years or more in power supplies and inverters PWM provides high reliability small size low weight and high efficiency A PWM converter works as a high frequency sampler converting the variable amplitude audio signal into an impulse sequence with average value equal to the audio input DIGAM amplifiers use very high sampling frequencies to obtain high performances across the audio band Powersoft holds several patents on the DIGAM technology The Best Amplifier for Your Mains Powersoft is the first amplifier manufactor that adopt Power Factor Correction This unique feature ensures that a predominantly resistive load is presented to mains minimizing current distortion and voltage current displacement This leads to much improved performance of the amplifier at high levels of output and avoids mains voltage collapses typical of standard and switching power supplies Another great advantage of this tec
20. he menu is activated when the smartcard is inserted in the amplifier only if the main page of the menu is selected The store and recall procedures are identical to those used for local presetsas shown in figure 2 3 22 contacs on the bottom side figure 2 3 21 Recall local preset Save local preset LE EM EA CUNI figure 2 3 22 You can select the desired option by pushing up or down button and ok to activate it The option Recall local preset does not appear if the smartcard is blank 22 VEERA 3 Protection 3 1 Turn On Turn Off muting For about four seconds after turn on and immediately at turn off the amplifier outputs are muted 3 2 Short circuit protection A short circuit protection system safeguards the amplifier s output transistors under short circuits and other stressful loads It is completely inaudible when inactive In case of short circuit the red LED will be light up and writing PROT appears in the first line of the display see Par 2 2 for a detailed description The amplifier will reset himself 50 times every 2 seconds Once 50 resets have been performed and the fault still exist on the output the unit sets into steady protection mode Turn ON OFF cycle is needed to restart the unit 3 3 Thermal protection A DIGAM amplifier uses a continuously variable speed fan to assist cooling the fan speed changes in response to the amplifier s cooling needs If the heat sink temperature reaches approximat
21. hnology is that its performance is to a large extent independent of mains voltage The rated output power does not vary with load line conditions The K Series K Series has many advanced features Digital control of many parameters adjustable maximum mains consuption selectable digital presets and a graphic display that shows detailed information of the status of the amplifier You can appreciate the functionality of these and a lot of other features by reading this manual carefully The Show Always Goes On DIGAM Series is completely protected against every possible error in operation and is designed to work under every condition It gives you maximum power with maximum safety and increases long term reliability Anticipating potential problems at the design stage means your show always goes on 1 Installation and operation 1 1 Unpacking Carefully open the shipping carton and check for any noticeable damage the figure below shows the exploded view of the packing Every Powersoft amplifier is completely tested and inspected before leaving the factory and should arrive in perfect condition If you find any damage notify the shipping company immediately Be sure to save the carton and all packing materials for the carrier s inspection Amplifier Mains cable Seo Manual figure 1 1 1 2 Mounting All DIGAM amplifiers are previewed for the standard 19 rack mounting there are four front panels holes and fout rear lateral ho
22. l source output J XLR male connector 9 7 pin 3 IN K3l K2I b Phoenix Contact model Come cem em MC 1 5 3 ST 3 81 IN END INI figure 1 5 3 10 y 1 6 Connecting Outputs Warning there are lethal voltages at the loudspeaker connectors when the amplifier is turned on To prevent any damages turn the amplifier off before connecting the loudspeaker Output connectors are made via neutrik speakon connectors Consult the wire gauge chart to find a suitable wire gauge to minimize power and damping factor losses in the speaker cables The outputs can also work on bridge mode For each device the 1 and 2 pins of speakon connector are connected inside and have to be considered the positive output of the channel the 1 and 2 pins of speakon connector are connected inside and have to be considered the negative output of the channel Note Channel B is always polarity reversed output stage but polarity compensated by feeding the minus pins of the channel B output with the output voltage Channel A is connected in the polarity mode By having channel A and B operating in opposite polarity the energy storage in the power supply is more efficient This is significant for signals below 100Hz sub bass etc and improves the power bandwidth Be sure to use balanced inputs on all measurement equipment also oscilloscope probes in you are bench testing Wren EN Wer IN2 oup w burs IN1 B CLASS2 WIRING
23. les The amplifiers must be fixed into rack in both sides back and frontal to avoid mechanical damages Your DIGAM amplifier uses a forced air cooling system to maintain a low even operating temperature Drawn by an internal fan air enters through the slots in the front panel and courses over and through components The DIGAM series amplifiers feature an intelligent variable speed DC fan which is controlled by heat sink temperature sensing circuits the fan speed will increase only when the temperature of either heat sink requires it which keeps fan noise to a minimum and helps cut dust accumulation inside Under extreme thermal load the fan will force a very large volume of air through the heat sinks If either heat sink gets too hot its sensing circuit will reduce the output power If the amplifier overheats another sensing circuit shuts down its circuit to cut off power until it cools to a safe temperature The exhaust cooling air is forced out through the rear of the chassis see figure 1 2 1 so make sure there is enough space around the sides of the amplifier to allow the air to escape If it is rack mounted make sure the exhaust air can flow without resistance If you are using a rack with closed backs there must be at least one standard rack space of opening in the front of the rack for every four amplifiers Amplifiers may be stacked directly on top of each other no space needed between units starting from the bottom of the rack S ai
24. lothes curtains etc e Do not expose this equipment to rain or moisture e Apparatus shall not be exposed to dripping or splashing and no objects filled with liquids such as vases shall be placed on the apparatus AN Safety Rules This device must be powered exclusively by earth connected mains sockets in electrical networks compliant to the IEC 364 or similar rules Is absolutely necessary to verify this fundamental requirement of safety and in case of doubt require an accurate check by a qualified personnel The constructor cannot be considered responsible for eventual damages caused to persons things or data for the missing of accurate earth link Before powering this device verify that the amplifier is supplied with the correct voltage rating Verify that your mains connection is capable to satisfy the power ratings of the device Do not spill water or other liquids into or on the unit Do not use this unit if the electrical power cord is frayed or broken Do not remove the cover Removing the cover will expose you to potentially dangerous voltage No naked flame sources such like lighted candles should be placed on the amplifier Provide sectioning breaker between mains connections and apparatus Suggested device is 32A 250Vac C or D curve 10KA e Caution to completely disconnect this apparatus from the ac mains disconnect the power supply cord from the rear panel ac socket e The power cord type is LAPP CABLE OLFLEX1
25. ly Relays output 24V outputs to command external equipment alarm relays output normally closed open for reporting amplifier faults 1 10 AES EBU Input On DSP equipped amplifiers CH2 is the AES EBU input when the AES EBU pushbutton is released see the figure 1 101 in this mode if an analog input in CH2 is applied the ANALOG CH2 OUT is off if CH2 is used as analog input the AES EBU pushbutton must be pressed K3l and K2I have dedicated AES EBU input and auxiliary input on two Phoenix connectors see figure 1 10 2 CLASS2 WIRING m RS 485 DATA PORT A AES EBU ANAL AES EBU pushbutton pressed analog input H released AES EBU input figure 1 10 1 AES EBU INPUT LINE INPUT CH2 OUT CH2 OUT CH1 LINE INPUT CH1 ALARM IN GNDINe IN GNDIN c9 2 CLASS2 WIRING K3I K2l model only moon mown qu L Lo won IN GND IN AES EBU AUXINPUT AUX INPUT CH2 AUX INPUT CH1 AUX COMMAND F i dedicated AES EBU inputs figure 1 10 2 yo A B 2 Setup and settings 2 1 Introduction The figure below shows the front panel of DIGAM K Series The front panel controls in conjuction with the graphic LCD display above the buttons give to the user the total control and detailed information about the status of the amplifier Each pushbutton has multiple functions and the display shows the current active function for each button Read carefully the instructions below that help you to manage the functions of the am
26. otection Short Circuit protection Over Load Output protection Temperature controlled air cooling system Clip limiter and permanent signal limiter LCD matrix interactive display Digital gain attenuation control Smart Card management User selectable maximum output power User selectable maximum mains current draw Remote control diagnostic Option DSP Ethernet 4Ohm 4800 5600 5200 7200 9600 12000 18000 8Ohm 3900 5200 3400 5000 6000 8000 10400 16 Ohm 2000 2800 1800 2600 3000 4000 5400 K8 K10 K20 169V 200V 225V K8 K10 K20 85A 85A 102A
27. own in figure 2 3 3 you will switch in the coarse mode and the key will be renamed as slow as shown in figure 2 3 4 In the coarse mode the steps are equivalent to 10 steps of the fine mode so that editing will be 10 times faster Remember that by keeping the or key pressed the steps are automatically repeated Hax mains current Hax mains current 22 f rms C 22 A rms E HEREN ENI HERE figure 2 3 3 figure 2 3 4 2 3 1 Output attenuation The figure 2 3 5 shows the Output attenuation screen You can choose to set CH1 CH2 or both by pushing the C1 2 button The and buttons change the value of the output attenuation in the range from 0 to 30dB Note for the best sonic performance it is preferred to set the Odb output attenuation no attenuation and select the proper gain sensitivity by the following menu Output attenuation 13 dB 1413 nil A1 LETS HERE NEN EFI figure 2 3 5 2 3 2 Gain Sensitivity The figure 2 3 6 shows the Gain Sensitivity screen You can choose to set CH1 CH2 or both by pushing C1 2 button The and buttons change the value of the gain The values of gains permitted are 26 29 32 and 35 dB the corresponding values of sensitivity and maximum input voltage are written in the table below Gain Sensitivity 29 dB 29 3 62 Urms 3 62 LEIIHd NENXE E EFA figure 2 3 6 MODEL ACCEPTANCE GAIN K2 K
28. plifier Il i A r l oe C D J A Ethernet plug n 1 G Function button n 3 B Ethernet plug n 2 H Function button n 4 C V I meter channel n 1 Graphic LCD display D Smartcard reader J V I meter channel n 2 E Function button n 1 K Power switch F Function button n 2 L Grill filter screws figure 2 1 1 2 2 The main screen The figure 2 2 1 show the main screen this screen appears after a short presentation when the user powers on the amplifier In the first line after power on the writing WAIT appears if the system parameters are normal the writing are replaced with READY During the normal operation the controller monitors the system parameters If a paramenter is out of range the correspondent code error is written on the LCD meter of the relative channel in the third line if the abnormal parameter is associated to both channel the error code is written in the center CH1 READY READY CH2 U AI I Ue Lock mam j figure 2 2 1 0000000 3 1 OOOO0O000 The LED bars can function as output voltage or output current meters in the first case the LCD meters function as output current meter viceversa in the second case The first green LED at the bottom side of the LED bar indicates when lighted the presence of input audio signal above 60 dBV on the corresponding channel the 2nd 3rd and 4th
29. pointed by the arrow shown in Figure 2 3 13 and by pressing or keys it is modified By pressing sel key next character is selected as shown in figure 2 3 14 When the name input is finished by pressing the ok key the preset is stored Select preset 1 Choose preset name Choose preset name empty PRESET 1 18 SET 1 back ok E a EN E figure 2 3 12 figure 2 3 13 figure 2 3 14 The Recall local preset command loads and applies one of the stored presets choosen through an identical dialog Please note that all the current amplifier settings are overwritten yo A 19 Note that if you have already input a preset name or if you have loaded a preset from local memory or smartcard the name is kept by the amplifier and used as starting point for a new save preset operation For example suppose that you have loaded a preset named 18IN SUB 1 from a SC and then you save it into local memory as shown in figure 2 3 15 In this case the menu shown in figure 2 3 16 asks you if you want to keep edit that name shown figure 2 3 17 or if you would like to edit the name of the preset that is going to be overwritten shown figure 2 3 18 This is useful for copying presets from to smartcard Select preset 3 Keep this name Choose preset name Existing Preset 18IN SUB 1 18IN SUB 1 LET ok no EIE NEEREM figure 2 3 15 figure 2 3 16 figure 2 3 17 Choose preset name Existing Pre NEIGE m oe EET2UN figure 2 3 18 2 3 18 Hardware info
30. portant information on operating your DIGAM amplifier correctly and safely Please read it carefully before operating your amplifier If you have any questions contact your Powersoft dealer Introduction Powersoft is a leading company in the field of high efficiency audio power management The totally new Powersoft s DIGAM DiGital AMplifier technology has changed the way the world looks at professional audio amplification No other amplifiers come close for applications demanding high power and long term reliability Thanks to amazing reductions in heat output along with reductions in weight and the specific high output power DIGAM amplifiers can be used in an unlimited range of applications such as concert touring opera houses theatres churches cinema theme parks television sound stages and industrial applications More sound and less weight Compared to a conventional amplifier Powersoft DIGAM technology offers very high efficiency and delivers more power to the loudspeakers with much reduced heat dissipation This greater efficiency enables dimensions weight and power consumption to be reduced The output stages of the amplifiers typically run at 95 efficiency dissipating only 5 of the input energy as heat One of the most interesting characteristics is that DIGAM s efficiency is almost independent of output level Conventional amplifiers achieve their best efficiency only at full rated power output Since standard music has an av
31. r The error code value displayed in the main screen is 1 192KHz clock not present the sum of the single error code value 2 Positive 15V aux Example 4301 4000 200 100 1 means A Negative 15V aux Positive power bus Ch2 8 Bosillve Nondo Negative power bus Ch2 9 Negative power bus Chl 100 Negative power bus Ch 192KHz clock not present 200 Negative power bus Ch2 2000 Positive power bus Chl 4000 Positive power bus Ch2 8000 External auxiliary voltage Check rail fuses Check rail fuses Ch1 and Ch2 4 4 Service There are no user serviceable parts in your DIGAM amplifier Refer servicing to qualified technical personnel In addition to having an in house service department Powersoft supports a network of authorized service centers If your DIGAM amplifier needs repair contact your Powersoft dealer or distributor or contact the Powersoft Technical Service department to obtain the location of the nearest authorized service center 2h VEERA 5 Warranty Powersoft prides itself on the quality and reliability of its products that are designed and manufactured to meet the highest quality standards We are also proud of the great care we assure to our customers We are confident that you will never have a need to take advantage of this warranty but in the unlikely event of a failure or deviation in performance we ll do our very best to get you swiftly back in business Powersoft amplifiers warranty is calculated from the original
32. r flow S figure 1 2 1 1 3 Operating Precautions A Make sure the AC mains voltage is correct and is the same as that printed on the rear of the amplifier Damage caused by connecting the amplifier to improper AC voltage is not covered by the warranty Make sure the power switch is off before making any input or output connections It is always a good idea to have the gain controls muted during power up to prevent speaker damage if there is a high signal level at the inputs Whether you buy them or make them use good quality input and speaker cables Most intermittent problems are caused by faulty cables Use good quality connectors and wire along with good soldering technique to ensure troublefree reliability 1 4 AC Mains connection The AC Main connection is made via the CPC type connector IEC20A for K3 and K2 on the rear side of the panel The figure below shows the connection to the amplifier Be sure that your AC mains power source has the requirements indicated in this manual The DIGAM amplifier has an automatic power factor correction system for a perfect mains network interface The amplifier is a resistive load for the mains network minimizing the reactive power and the harmonic distortion on the current The system allows performance to be maintained even in circumstances of varying the mains voltage Is important to connect the ground for safety do not use adapters that disable the ground CAUTION RISK OF ELECTRIC SHOCK DO NOT
33. rd rack 19 W 1 Units H 497mm D 380mm D for K3 K2 AUDIO SECTIONS Bandwith 1W 8Ohm c mE 20Hz 20KHz 0 2 dB Damping factor BOR i onn ettet el rt t rtl te e oe Ho eir bent e uds oen 20Hz 200Hz 5000 slew Rate BOhtm need irri ceo PU eon tei et ee b died n ean 50V uS input filter bypassed S N ratio gt 110dB K2 gt 112dB K3 gt 108 K4 gt 108 K6 gt 109 K8 gt 110 K10 gt 110 K20 XS Max lt 0 5 from 1W to full power typically 0 05 Max 0 5 from 1W to full power typically lt 0 05 Max lt 0 5 from 1W to full power typically lt 0 05 Inputs Balanced to ground XLR female combo jack 6 3mm XLR with parallel on XLR K3 K2 IMP OD AN CO ins 10KOhm each leg balanced to ground Galli A D E AMI T EU 26 29 32 35dB user selectable OUTDUTS i ouod dtes High current Neutrik 4 pole Speakon connectors pins 1 2 paralleled 1 2 paralleled OUTPUT SPECIFICATIONS Power WATT EIAJ 1KHz 1 THD Stereo mode Bridged mono K2 K3 K4 K6 K8 K10 K20 K2 K3 K4 K6 K8 K10 K20 20Ohm 2400 2800 2600 3600 4800 6000 9000 4Ohm 1950 2600 1700 2500 3000 4000 5200 8Ohm 1000 1400 900 1300 1500 2000 2700 Max output voltage K2 K3 K4 K 140V 165V 125V 153V Max output current K2 K3 K4 K 75A 75A 85A 85A FEATURES Worldwide mains operating voltage Power Factor Correction PFC LED bar indicator Over temperature Forecasting Thermal pr
34. s current limit set the rms value at which a C Type current breaker will trip off Hax mains current 22 fi rms EN HEREH E LET figure 2 3 8 2 3 6 Clip limiter CH1 CH2 Enable this function to prevent the distortion due to excessive amplitude of output signal You can enable disable it by pushing the on off button CAUTION There is the risk of damage to the loudspeakers if Clip Limiters are deactivated You should not deactivate Clip Limiters unless their function is taken over by external devices such as digital system controllers In such cases it is mandatory to properly adjust parameters in the external device y 17 2 3 7 Gate CH1 CH2 This function allows to mute the amplifier channels individually if input signal amplitude is falling below the values shown in the following table You can enable disable it by pushing the on off button Gating the output is delayed by 5 seconds after input signal removal and follows in reversed way the bottom green LED on the CH1 CH2 bar LED display muted if green LED is off TRESHOLD VALUES OF INPUT SIGNAL DETECTOR dBV dBu mvVrms 26 54 52 2 GAIN 29 57 55 1 41 dB 32 60 58 35 63 61 0 707 2 3 8 Mute at power on If enabled the amplifier will be always in mute state for both channels at power on you can mute off the channels independently in the main screen but in this mode the amplifier will be in the mute state at
35. selected one by pushing ok if the chosen item enables or disables a function the writing on is replaced with off for disabling it or on for enabling it The menu tree is shown in figure 2 3 2 ettings Display Local Preset A EA menu figure 2 3 1 menu m Settings Amplifier Settings Output attenuation Input gain sens Input select Analog gt Out M Max output voltage Analog gt DSP gt Out lu Max mains current AES3 gt Out N i Clip limiter CH1 AES3 gt DSP gt Out Clip limiter CH2 KAESOP gt Out i Gate CH1 KAESOP gt DSP gt Out Gate CH2 Mute at Power on Idle Mode L DSP Settings or not present Network Settings or not present 1 Display Bar meters Output meters Temperature Mains meters Amplifier Name L Local presets Nd Recall local preset Save local preset Setup Hardware info Hardware monitor LCD contrast Set Keylock code Menu locking Service Available only with optional DSP board Available only with optional KAESOP board figure 2 3 2 yo A 15 To better handle the huge amount of parameters the single value numeric input mode is extended with a fine coarse feature When you edit one of the parameters you will start in the fine mode The steps applied by the and keys are the minimum allowable for that parameter By clicking the fast key sh
36. ssistance Chapter 7 Technical notes 3 1 Turn On Turn Off muting 3 2 Short circuit protection n 39 Thermal Protection T 34 DC fault edP aoe n arians N T EN wen AT A ai eira ri e E ETETE a LAST ETAN EAEE 3 5 Input Output protection AA O EET EAA E O E O ATE EAN EO O SEIE 4 amp 2 DUST TEMOVAl nre ia e a E Aa a e a a a aa 4 3 Error codes 4 4 Service 7 1 General Dimension sss 1 2 BIOCK Cia GANS auia toin enint seni You sd cuu 7 3 Technical specifications Important safety instructions A usas A CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE AND OBJECTS FILLED WITH LIQUIDS SUCH AS VASES SHOULD NOT BE PLACED ON THIS APPARATUS TO COMPLETELY DISCONNECT THIS APPARATUS FROM THE AC MAINS DISCONNECT THE POWER SUPPLY CORD PLUG FROM THE AC RECEPTACLE THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL REMAIN READILY ACCESSIBLE SAFEGUARDS Electrical energy can perform many useful functions This unit has been engineered and manufactured to assure your personal safety Improper use can result in potential electrical shock or fire hazards In order not to defeat the safeguards o
37. t operate normally or has been dropped EXPLANATIONS OF GRAPHICAL SYMBOLS e Lightning Flash Symbol with The Lightning Flash with arrowhead symbol within an equilateral 44 triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product enclosure that may be of sufficient magnitude to constitute a risk of shock to persons e Exclamation Point Symbol with 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 product for K2 and K3 only K4 K6 K8 K10 and K20 comes with a special mains cable without plugs yo A 3 Approvals CE The Digam K series is installed according to the Canadian Electrical Code or National Electrical Code as applicable Install this product in accordance with Canadian Electrical Code or National Electrical Code and other local electrical or building codes as applicable Mount in rack only The flexible mains cable must not pass through walls K10 K8 K6 K4 This equipment has been tested and found to compliant by Competent Body Directive 89 336 EEC EMC pursuant to the product family standard for audio professional use EN 55103 1 and EN 55103 2 standard EN61000 3 2 EN 61000 3 3 Conducted Emissions Electromagnetic Ambient E1 E2 E3 Class B Radiated Emissions Electromagnetic Ambient E1 E2 E3
Download Pdf Manuals
Related Search