User Manual Powered Speaker Controller PSC2.700
Contents
1. er than the on board fuse Replace the Oo fuse only with the same type and rating e T5H SMPS1200 V2 X JE O This is a Safety Class 2 device It is very X X important to maintain a 6mm clearance Q o with all possible conducting parts hous s gt IN ing etc and cables All parts enclosed by T aA O 9 the hatched area carry hazardous voltag a a alice es This includes parts on the top and the Vr a bottom of the board z This symbol indicates the presence of hazardous voltages at accessible conductive terminals on the board Parts that are not highlighted in red picture above may carry voltages in ex cess of 140VDC Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Protect the power cord from being walked on or pinched particularly at plugs convenience recep tacles and the point where they exit from the application 7 Only use attachments accessories specified or approved by the manufacturer 8 Unplug this apparatus during lightning storms or when unused for long periods of time 9 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way liq2. 0 0 005 0 01 0 015 002 0 025 0 03 0035 0 04 0 045 005 0 055 006 0065 0 07 0 075 0 08 0 085 0 09 0 095 0 1 Truncate Figure 9 The first echo is apparent at 5ms Zoom in until you see only the anechoic portion of the impulse response Dragging the mouse left button down from left to right marks a zoom area Dragging from right to left zooms out Dragging with the right button down pans the plot left and right Magnitude Impulse Step 0 002 0 002 0 002 0 002 0 002 0003 0003 0003 0 003 0 003 0 004 0004 0004 0004 0004 0 005 0 005 0 005 Truncate Figure 10 Click truncate Anything currently outside the display is drawn in grey and not processed You will notice that in the frequency graph a portion of the low frequency response is also drawn in grey This is to remind the user that insufficient information is available to make any correction below this frequency A way of obtaining quasi anechoic low frequency measurements is making close up measurements Working with s
3. Hy pex Electronics BV Kattegat 8 9723 JP Groningen The Netherlands 31 50 526 4993 sales hy pex nl www hypex nl User Manual Powered Speaker Controller PSC2 700 PSC2 700D A s A See 5 CE a ae u A User manual R2 PSC2 700 S lectronics Table of contents Produc deS rip O eaae E E E E A O 3 TYPE SI IS aea E E EAA A oe E A E E E auees 3 Foa CU O e O E aaa nstecheseaseeceae 3 APPC OVS aeara E E E E E A 3 CONN TON ea E E A E E eda aiaets 4 Speaker CONNECTIONS cccccccssssseeecceesseceecceeseceeceeauseceeeeesueceeeseeaseceeessauaeeeeseeaaeceesssaaecessssauaecessssaggeeeetenas 5 SY SEIU Wl Ol CLOWN cearsrapentesrtriesy caie rate eeeneteay sans aneeeanee E ied aanr nomena aniaenaan A 6 DSD ON es cence cornerstone pstca sateerneate aa sane arate E E E et poues araninas eer anasernadeerninie 6 PUGIO Ber OF a AGS do C searre E O AE 7 Hardware Architecture iss necieicsers aasedineheyasviib anendinvnwansaiindnbagvianbinbiihinesnd dio a NEEE SEA Ke e ET enas E ENES S E a EE 7 DOE GOO aan eer re E ee ee ee 7 Bapro E eA E E E E Pac crn ci cepa ea nsw EE pe cenese E P ncaa een 7 Seg aain a E PN ents S S E E E E E T 8 P EN OE CT ON eE EERE EERE E ER EEES 8 POOU CCOYO 9 FOV GSA a E E E ates 9 Software installation dessuicinmseaucrieerrtiawhoscestnnedvadvesisaneniatieanbdssdeueredssndundvedoenedeiliateddantansesvnindasinateereiestnreniuoewedetedecs 9 CONC OMDGNEL sanne EEE E E E EE A E E E EAEE A E E
4. orate KE K as gt ton hype ae ren Ye ae bi mt ihe PSNT resee uge ee T Pr Low Channel Figure 5 User manual R2 PSC2 700 Software installation System requirements Pentium class or higher 64MB RAM USB1 0 or higher Tested on Windows XP and Vista All files are compressed in the setup zip file This zip file contains 1 DLL file for communication and an EXE file which represents the Hy pex DSP filter design program 1 Unzip the setup zip file on your hard disk 2 Open the Hypex DSP filter design EXE by double clicking the file Control panel Now the program is ready for use You will seethe FPP following window called the control panel File View Help Force Input Active input Rad_PSC_Setup Unit position G Auto Detect Q Analogue i chema G Uen E Analogue O AES EBU C AES C Bridged C Right Group Volume Filter presets o Preset f Preset3 C Preset2 C Preset4 wa Update o H M Mute a Figure 6 When the program is running connect your module to your pc by the USB cable Windows will auto matically detect and install the HID device When the installation is done the connected the connec tion light will turn green You can also manually make a connection by the connect button on the bottom right of the control panel Now you may adapt the settings of the module real time through USB On the left side in the control panel you see the Force input and ac
5. AES 3 Input AES input channel LED s Hold select button to change AES input channel hy p e X electronics paa Aaral gain I w mM l 4 Ea that 2 To UcD as2k To Urb Bas2k Fram SMPS PSC2 V3 Hypex Electronics BU o oo Juppers not plocedsTuerter goin duspere ploced Figure 2 Function umpers placed is normal function Jumpers not placed lowers High channel gain with 10dB this must be corrected in Hypex Filter Designer under Tools gt Options Only available on hardware version PSC2 V3 and up Speaker connections For the speaker connections short leads are added to the amplifier modules outputs in order to make connection easier For connection material itself male faston connectors are used so the user only needs the standard female faston connector 2 Speaker Speaker ap a ED _ E 7 CSR An sea p 2 af a r P ats i Gi _ i ziir ihe we a nti A Aada High Channel Speaker Speaker p se Ti o a a _ TFT ah we ers UG 5a HE MaE e X 278 ae A kd Cad eo lt 4 rey tt ep edque 2 _ es nega SEL Low Channel Bridged mode When the PSC2 700 is used in bridged mode the speaker must be connected to both speaker ca bles Speaker of the high channel is inverted 25 s User manual R2 PSC2 700 Ls1 Ls2 n Digital receiver D m U m us Cc Optional digital input USB Figure 3 Block diagram Two chann
6. Supply voltage dependant 90 80 60 40 20 0 Figure 4 When the limiter for either channel is active the Clip led will be lit Thermal protection All modules have a build in thermal protection This protection lowers the output gain 1 dB per de gree starting at plate temperature of 70 degrees Celsius The outputs will be completely muted when the temperature rises over 90 degrees Product overview Before you can use the PSC2 700 d in your particular setup you first have to set the right settings This is done by pc software called Hypex DSP filter design Please do not connect any speakers to your system yet Hardware part The PSC2 700 can be used in 2 ways as a 2 channel setup or as a one channel bridged version for more pow er This is selected in software The module can store up to 4 presets A preset holds the complete filter settings of both channels By this the user is able to make different system settings for its speakers for example for different rooms and setups All of the presets are empty from fac tory setup therefore the filters must be downloaded first See section ex amples note that for bridged mode both LS connections must be used see section Connections for more information User manual R2 PSC2 700 Speaker ap ap D OD D D agi ten ae ie C ose e ens ig a fo mh ors ee ines rae Faia High Channel Speaker Speaker er ei
7. 00 has an analogue balanced audio input This analogue signal is converted to digital processed by the DSP and then converted back to analogue A microcontroller controls the DSP and communicates with the PC and can set the presets An unbalanced source may also be applied this signal is divided over the two input DAC s to get better performance Digital audio input The digital version PSC2 700d comes with an AES EBU digital audio input Incoming AES EBU is linked directly to the output and is send to the DSP through an asynchronous sample rate converter ASRC for jitter removal The ASRC chip scans its input for whichever signal is active When the module is set to Auto input select in the control panel on the computer the input source is auto matically switched to digital when present If the digital audio is stopped the source will be switched back to analogue To select the audio input channel press the button for 2 seconds Controllers The PSC2 700 can only be controlled through USB When the module is powered on it will automati cally start up with the last settings All setting like volume and preset are stored after a change Is made User manual R2 PSC2 700 Clip limiter The PSC2 700 has a build tn clip protection The module measures the supply voltage and uses this value for the limiter Figure 4 shows the response graph of the limiter The hold time is fixed to 100ms and the decay is set to 100dB s 20 0
8. EE 10 Bike gels a E nn E enc E EE A ae E E E E E E en ee 11 Ee aE aE P E E E E E E E A E A E E A E E A E 12 PET DECON ATO eea a a ee eee 12 MOGI E TE E EE A E E E OA E N O 12 Measurement are ceeicccceentiah cease acae dened ghee NAE EEEE A aE EA N A a 12 Pec NO CCI a E O E E S 14 DOWNIO TO ar E E E E EA 15 ELIE ELEELE ELE E E EE E E E A E E E PE E E E 15 Instructions For Installation ccc eecccccssseeeceeceeseceeeceeeseeeeeesaeseeeeeeseeueeeesseaseeeeessaaeseeeesaeaeeeeessegeeeeeessaeseeeseaas 15 SSRA k ero 0 9 pe E E E E A E ee ee E 16 Recommended Operating Conditions for the SMPS ccccccccssssseceeccseseceeeseeeseeeeesseaueeeeeseaaseeesessaaeeeeees 17 General Performance data for the SMPS ccccccccccssseeeeeceeeseceeeceeseceeeeaeeeeeeessaaeeeessuaaeeeeessaaaseeeessaaasss 17 SNS SUSI araa E E A dob watsagseaioan E neds aaubaaen dies E 18 PGi CAG AL aa secteaarsan vation easrenesonan anni endacerttestaig E E A O 19 User manual R2 PSC2 700 Product description Type remarks Use only a version 2 0 or higher of the Hypex Filter Design program In earlier versions the PSC is not yet implemented The first time the PSC2 700 is used all biquads are zero so there are no filters installed When you switch to Bridged mode please be sure to connect your speakers like described in this manual Do note that the Firmware update differs to the AS2 100 firmware update After updating the firmware please use th
9. are room resonances if the response Is not correctly truncated and diffrac tions on repetitive patterns The second step is designing the actual crossover filters All the usual strategies work Delaying higher frequency drivers with respect to lower frequency ones is a powerful alternative to using asymmetric slopes and yields substantially improved coherence through the crossover region 14 User manual R2 PSC2 700 Download Under download the user can press load DSP to download its designed filters to the module but only for the current used preset Firmware update Every module has the ability to update its firmware when Hypex provides a new firmware version The firmware can be simply updated by USB the same for master and slave module Under option download you can find Firmware update When this option is selected the user can select the new firmware file This is a complete hex file provided by Hypex no adapts can and may be made by the user After you selected the file you will enter the bootloader the device will reconnect and shows version 99 99 in the status bar Now you need to select the file again to load the new firmware into the module After the file is selected the update begins DO NOT DISCONNECT THE MODULE AT THIS POINT When the progress bar is filled the update is completed On a CRC error the update is automatically restarted after three errors the update is aborted Note that the
10. ass A Q of 0 71 cor Q responds to butterworth 0 5 corre sponds to LR2 Two identical sections with a Q of 0 71 form an LR4 filter Shelf1 Centre Frequency halfway point First order shelf Useful for baffle step Gain correction Direction Centre Frequency halfway point Second order shelf Useful for correcting Shelf2 Gain internal cabinet resonances and for the Q midband peak dip combo of most mid Direction woofer speakers Zero frequency and Q woofers with large magnets Boost Cut Centre frequency Dip peak filter For peaks Q is defined Q by the poles For dips Q is defined by gain the zeros Thus the same filter with op posite gains will cancel The first step is equalising the magnitude responses of the drivers flat over their entire useable fre quency range The weapons of choice are shelving filters and boost cut sections A sharp peak followed by an equally sharp dip can be corrected using a second order shelving filter with a high Q Exercise care when deciding what to correct When correcting for diffraction errors do not exceed a Q of 3 lest the cure be worse than the ailment Errors that are caused inside the driver or internal cabi net resonances that emanate through the same diaphragm may be corrected ruthlessly provided the measurement has sufficient resolution to pin them down As a rule of thumb sharp dips are diffraction artefacts while sharp peaks are caused by the drivers themselves Exceptions
11. de this power At very low frequen cies however the SMPS is responsible for delivering this peak power to the amplifier Note 3 Limited by over current protection 17 User manual R2 PSC2 700 Mains selection The PSC2 700 is factory set to operate at a mains voltage of 230Volt The user is able to change this setting to 115Volt Instructions must be followed Before changing the mains settings disconnect the unit from the mains and allow all ca pacitors to discharge for 10 minutes before handling it Update the front plate with the updated information by checking the 115V or 230V setting 3 Mains Voltage Input Selection Connector type ST B2P VH Function Not Connected 230Vac Mains Connected 115Vac Mains Figure 12 18 Technical data Supply voltage Dimensions Plate thickness Weight Clearance 381 00 mm User manual R2 PSC2 700 230Volt AC 50Hz 10 switch able to 115Volt 60Hz 210mmx380mmx65mm WxHxD 4mm 2 7 kg gt 10mm 210 00 mm k lt E O 9 O Select O O Preset1 O Preset 2 O Preset 3 Preset 4 O 9 N N electronics www hypex nl PSC2 00d 230V S0H2 UcD Class D Technology Power consumption 200W Internal fuse T8A 230V EE o Unfused 10A Max A LO f o Power in Power SO Sanat emily A De G Ls Ls aG G GCG G CAUTION RISK OF ELECTRIC SHOCK PRECAUTION RISQUE DE CHOC apaa an PAS OUVRIR Figure 13 Plate a
12. e combining PC software downloaded from our website www hypexshop com Features 2x UcD7000EM amplifier Switch mode power supply Balanced audio in Balanced audio through loop Two channel active filtering Fully user configurable filters Firmware update by USB DSP supply voltage dependant clip limiter Digital version with AES EBU input Applications This module can be used for the following setups Active 2 channel system Active power sub woofer And with 2 modules or combined with a PSC2 400 it is also possible to set up a 3 channel system with one module for the separate Subwoofer and a second module for the top in a 2 channel system User manual R2 PSC2 700 Connections i fe FF a K a Ka lt 2 O Select 3 oie O Preset 3 4 O Preset 4 5 a O 6 i 7 8 2 h y p X electronics www hypex nl PSC2 00d m 230V S0Hz UD ciass o Technology Power consumption 200W Internal fuse T8A 230V Mains through vee Max 4 I Power in Power out CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN 12 PRECAUTION RISQUE DE CHOC ELECTRIQUE NE P96 OUVRIR Figure 1 Overview of the connections on the front of the PSC2 700 Function USB input Select button Preset LED s a Clip detect LED Analogue Link 16 Analogue Audio Input Power input Power output On Off switch User manual R2 PSC2 700 Digital version onl AES Though 8
13. e filled in the Filter design section Filter design When you want to make some filters for UA Control panel your module they can be designed in the File REIA Hep Filter design Under view there can be E A eed i f ad_PS5L_Setup nit position switched between the control panel and the Mamasa maiat i Auto Detect Analogue G Ich Left filter design window Shaik j The following pages will give you a wide Analogue Es BU spread instruction of the possibilities of the C AES Bridged Right program Group Volume a paa A o Prese C Piese go Foes i a Figure 7 UA Hypex DSP Filter Designer EO lol xj File Magnitude Impulse Step Channel 1 Tweeter Channel 2 Midrange Channel 3 Wooter Measured respons gt Function Second order shelving flte C omo3w MAIN woof53em dat IV Show Unity aaaea isso iis LPF1 7 M Common Settings Biquad Section C LPF2 Q Factor 715 a feet Sb i I C HPFI Gain 0 3 Delay us fo E aon z So C HPF2 ain dB 4 gt Invert poses erg C Shelf Low Shelf Shel High Shelf IV Show Filter 4 Show Filtered Driver C4 Cg T Aasmnieinc Shek V Show Biquad Show Sum ee Bo C Boost Cut Figure 8 11 U
14. el active amplifier with DSP filter control Description The PSC2 is a plate amp for use in powered speaker systems As an active speaker controller a PSC2 can form the basis of a powerful active two way monitor Figure 3 shows the audio path of the PSC2 The module has two 700Watt UcD modules implemented and is also available with a digital audio input AES EBU called the PSC2 700d version The supply voltage is provided by a Switched Mode Power Supply SMPS1200 module also a module from Hy pex Electronics A PC controls the PSC2 through the USB port This connection is used to upload the configuration and filter settings It will also be possible to update the firmware through USB User manual R2 PSC2 700 y p ex electronics Audio performance data MBW 20kHz unless otherwise noted All filters set to unity Noise levels unweighted Item Symbol Min _ Typ Max Unit Notes Inputleve Vin S 8 dBu Vinmax_ Output level as 700 W Intod4 Ohms s2 70 w _ _ Into40hms eens ore 107 dB DAC tlon Noise DSP samplingrate Fs 8 KH Delayperchannel O o 15000 us _ Setinsoftware Supported digital sampling ae eres P 32 44 1 48 88 2 96 All input rates con rates 192 verted to 48kHz Gain HS B Analogue Latency ms S AES Latency hss ms Note Total power for the PSC2 700 Is limited to 1200Watts total Hardware Architecture The standard version of the PSC2 7
15. mp 2xUcD 00W att 19 User manual R2 PSC2 700 PSC2 700 R1_ Initial Draft 29 11 2011 Speaker connection bridge mode added 03 01 2014 Several minor format and text changes 20
16. new firmware does not have any filters installed so the filters must be reloaded with the correct values Instructions For Installation Warning To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture Warning Disconnect the unit from the mains and allow all Capacitors to discharge for 10 minutes before handling It No cables below this point W arning Please follow the mounting guidelines 1 Do not build the module on a conductive surface 2 Keep at least 7Omm between the module front plate and the back of the enclosure see Figure 11 3 Do not lead any single insulated speaker cable below the indicated line in Figure 11 With double insulated cable you are allowed to lead the cables below this line Figure 11 15 User manual R2 PSC2 700 Safety precautions The PSC2 700 is supplied with a switched mode power supply The following chapter explains the Safety precautions which have to be made for these kinds of products The SMPS1200 operates at mains voltage and carries hazardous voltages at accessible parts These parts may never be exposed to inadvertent touch Observe extreme care during installation and never touch any part of the unit while it is connected to the mains Disconnect the unit from the mains and allow all capacitors to discharge for 10 minutes before handling it This product has no serviceable parts oth
17. ser manual R2 PSC2 700 Graph Area The magnitude tab shows the imported driver responses filters individual biquads individual fil tered driver responses and the sum Function Function S O Filtered midrange response _ _ _ gt Z oS o Green thick Filtered midrange response Red thick Filtered tweeter response Light blue thick Response of filter selected channel onl Orange thick Response of selected biquad Black thick Sum response Having all of these on at the same time quickly produces an intractable mess so these graphs can be separately enabled or disabled in the filter definition area The impulse or step tabs show the time domain response of the imported drivers and the sum re sponse and are used to demarcate the anechoic portion Filter Definition Area The two channel tabs labelled Tweeter and Woofer are functionally identical The top left frame is used to import response files The select button opens a file The show checkbox turns display of the measured graph on or off The Common Settings box controls global gain for each channel delay and the visibility of plots The amplified channels have up to 12 biquads selected using the Biquad Section radio buttons in the middle To the right is a settings area specific to the type of function selected Unused biquads are set to unity The selected biquad Is edited by selecting a function and setting relevant parameters Work flow Mea
18. surement Measuring using the DSP unit set to flat Perform impulse response measurements for each driver separately Save the entire impulse record truncation can be done later on the filter design program Measuring using an external amplifier A separate amplifier may also be used for measuring the drivers provided the amplifiers output impedance is as low as the DSP unit s Importing response data Select the tab for the channel you want to import and click select The filter designer expects the impulse response measurement as a text file with one sample per line There is no restriction on the absolute gain of the impulse response data The only thing that mat ters is that the absolute gain be the same for all three measurements The filter designer computes a gain offset based on all loaded responses to centre them collectively on the vertical scale Truncating response data Switch to the impulse or step response graph 2 User manual R2 PSC2 700 Magnitude Impulse Step
19. tive input groups This shows you the settings of the audio in puts and lets you control these inputs only for digital version Audio can be provided analogue and digital The selection of any of these inputs can be automatic auto detect This means that when any of the inputs is presented there will be switched to this channel automatically This is done by setting the analogue input as the standard source During analogue in the other two inputs are scanned for any valid signal The first channel that contains any valid audio is selected and becomes the new input source But if you put in the USB cable but you want to use the analogue input you can force the analogue input to be used This can be done for both inputs When the module selects one of the inputs this is shown by the active input lights Under the Setup select part the system setup can be selected There can be chosen between Master on the left Master on the left Master on the right Master on the right The channel assignment in analogue mode makes no difference because there is only one input channel 10 User manual R2 PSC2 700 The last thing that can be controlled in this window is volume This can be done by setting the scroll bar to a desired position or by typing the value in the volume field the value is send when pressed enter When the presets are installed they may be selected the module will switch to the selected preset The presets can b
20. uch measurements requires a good deal of interpretation but it is doable Important Avoid making any corrections for which no anechoic data is available If reflections are included they are guaranteed to dominate the measurement at low frequencies and you will end up making corrections for circumstances that are highly specific to the room in which the measurement was made Power response data can only be made in a proper echo chamber or preferably by collat ing a large number of anechoic off axis measurements A reverberant measurement in a normal live room just won t do The steps of loading and truncating data can be repeated at any time This can be particularly prac tical when combining close up and far field measurements during the filter design phase The win dow in Figure 10 shows the result of this The small knot of corrections made around 70Hz is based lt 13 A User manual R2 PSC2 700 S lectronics on close up data first loaded separately The LF section of the test mule is quite smooth apart from one internal standing wave Designing filters Biquad function Unity o eooo Sectionis not used LPF1 Cut off frequency always 3dB First order lowpass LPF2 Cut off frequency asymptotically Second order lowpass A Q of 0 71 corre Q sponds to butterworth 0 5 corresponds to LR2 Two identical sections with a Q of 0 71 form an LR4 filter First order highpass Cut off frequency asymptotically Second order highp
21. uid has been spilled or objects have fallen into the apparatus the ap paratus has been exposed to rain or moisture does not operate normally or has been dropped 10 Don t run any cables across the top or the bottom of the SMPS400 Apply fixtures to cables to ensure that this is not compromised 11 Observe a minimum distance of 6mm maintain clearance with all possible conducting parts housing etc All parts enclosed by the dotted line below carry hazardous voltages This includes parts on the top and the bottom of the board 12 Natural convection should not be impeded by covering the SMPS400 apart from the end applica tions housing OU BWN FE 16 sF User manual R2 PSC2 700 h y p ex electronics Recommended Operating Conditions for the SMPS High Line Input Voltage v 480 230 264 yac _ _ Low Line Input Voltage Vues 90 115 132 vac F fo Je a Performance data for the SMPS Max Output Power sid Power P 1500 a EN See Note 1 Max Audio Output Power 20Hz Poar 1200 See Note 2 s amplifier load Switching frequency Faw 200 kz Maximum power consumption Pa 1600 W SeeNote3 Note 1 Output Power delivered to a resistive dummy load generally the only specification supplied by other SMPS manufacturers Note 2 An audio amplifier actually draws twice the RMS power from the power supply At high fre quencies the secondary storage output caps are capable to provi
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