Pro Audio PMA-2222 Installation Manual Download | Manualshive

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PMA AMPLIFIER SERIES

1

INSTALLATION AND

PROGRAMMING GUIDE

PROGRAMMABLE MODULAR

AMPLIFIER

PMA-2222

PMA-4242

PMA-4444

PMA-9900

PMA-9922

PMA-9942

PMA-9944

PMA-9999

PMA Installation Guide Rev A

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Summary of Contents for PMA-2222

Page 1: ...PMA AMPLIFIER SERIES 1 INSTALLATION AND PROGRAMMING GUIDE PROGRAMMABLE MODULAR AMPLIFIER PMA 2222 PMA 4242 PMA 4444 PMA 9900 PMA 9922 PMA 9942 PMA 9944 PMA 9999 PMA Installation Guide Rev A ...

Page 2: ...EA 13 SOFTWARE FEATURES 15 PMA MANAGER MAIN SCREEN 16 1 TITLE BAR 16 2 MAIN MENU 17 3 INFORMATION PANE 18 4 DSP CONTROL PANEL 19 5 UPDATE AMPLIFIER MEMORY BUTTON 22 6 STATUS BAR 22 COMPENSATION FILTERS 23 SCREEN COMPENSATION 23 CLOTH COMPENSATION 24 ROOM BOUNDARY COMPENSATION 24 HIGH AND LOW PASS FILTERS 26 AMPLIFIER HOOKUP EXAMPLES 27 TWO WAY BI AMP CENTER CHANNEL HOOKUP EXAMPLE 27 THREE WAY TRI ...

Page 3: ...NECT AMPLIFIER TO COMPUTER 32 STEP 3 POWER ON AMPLIFIER 32 STEP 4 RUN PMA MANAGER SOFTWARE 33 STEP 5 SET DSP PARAMETERS FOR EACH AMPLIFER CHANNEL 34 STEP 6 STORE DSP PARAMETERS IN AMPLIFIER MEMORY 36 TROUBLESHOOTING 37 SPECIFICATIONS 40 WARRANTY 41 Professional Home Cinema LLC 3 Year Limited Warranty 41 CONTACTING PROFESSIONAL HOME CINEMA LLC 41 ...

Page 4: ...Home Cinema LLC 14 Unplug the apparatus during lightning storms or when unused for long periods of time 15 Refer all servicing to qualified service personel Servicing is required when the apparatus is 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 appara tus has been exposed to rain or moisture does not operate ...

Page 5: ...rs are installed Example PMA 9942T has 1000W installed in Channels 1 and 2 450W installed in Channel 3 and 200W installed in Channel 4 and has optional input isolation transformers installed POWER APPLICATIONS As a general rule each of the three power levels is intended to drive certain loudspeaker drivers or systems within the home cinema or distributed audio application Bi or Tri Amplified Large...

Page 6: ...erate a modest amount of heat especially at idle Refer to the SPECIFICATIONS section for more informa tion For this reason it is recommended that you place a 1U spacer between the PMA amplifier chassis and any neighboring equipment including other PMA amplifiers to insure adequate ventilation During normal operation the front panels of the PMA amplifiers will become warm to the touch but will not ...

Page 7: ...nel 1 of the amplifier All data shown on this row applies only to Channel 1 Rows 2 through 4 correspond to Channels 2 through 4 respectively Each column of the LCD display indicates an important parameter of the amplifier status and or am plifier programming Column headings have intentionally been omitted from the chassis front panel to preserve a clean appearance Please review the descriptions be...

Page 8: ...ently routed to the amplifier channel as set up in PMA Manager control software see Amplifier Programming The source may be any one of the four balanced audio input jacks on the amplifier back panel or the channel may be routed to the internal pink noise generator If the channel is routed to the internal pink noise generator this column will read NOISE If the channel is currently muted via softwar...

Page 9: ...mpensa tion filter installed and this column will read NONE 1 6 CHANNEL GAIN ADJUSTMENT The fifth column indicates the channel gain setting as set up in PMA Manager control software see Amplifier Programming Channel gain should only be used in certain circumstances such as adjusting mulitple subwoofer levels when the preamp processor in the system has only a single LFE output From the factory all ...

Page 10: ...CATORS 3 INPUTS AND OUTPUTS 2 PROGRAMMING AND CONTROL REAR PANEL With the expception of the Power LED and LCD display all other features of the PMA amplfiers can be found on the amp rear panel The layout of the connectors and controls have been carefully designed to make connecting to and operating the amplifier as easy as possible In addition to the usual input and output connectors you will find...

Page 11: ...ing with the ampli fier via USB software control STANDBY PROTECT This LED will illuminate when the amp has been put into standby condi tion or when the amp has entered protection mode due to an operational fault POWER This LED will illuminate when the amplifier main power is on 1 3 FRONT PANEL DISPLAY BACKLIGHT DEFEAT Use this switch to defeat turn off the amplifier front panel LCD display backlig...

Page 12: ...cess may take a few minutes On subsequent connections Windows will install the driver more quickly Refer to Amplifer Programming section of this manual for more information Operating systems other than Windows XP and Windows 7 are not supported 2 2 12V CONTACT CLOSURE TRIGGER INPUT Connect a 12VDC trigger output or contact closure relay to this port using the supplied Phoenix two position male con...

Page 13: ...ground Pin 2 is signal Pin 3 is signal To minimize the risk of unwanted ground plane noise use of a balanced preamplifer is highly recommended When connecting to unbalanced single ended audio outputs connect pins 1 GND and 3 to gether and then to audio GROUND inside the male XLR jack at the amplifier end of the intercon nect cable Make sure the preamp processor is grounded That is make sure that i...

Page 14: ...e constant 3 4 CHANNEL POWER LABEL This label indicates the installed power on this channel and is placed at the factory 3 5 CHANNEL PROGRAM LABEL LOCATION This outlined rectangular area will accept the blank labels provided with the PMA amplifer and allow you to mark on the amp what program is installed in the channel Use a perment maker i e Sharpie to write the program on the label and affix it ...

Page 15: ...PMA AMPLIFIER SERIES 15 PMA MANAGER USER INTERFACE SOFTWARE FEATURES SOFTWARE FEATURES 2 MAIN MENU 3 INFORMATION PANE 1 TITLE BAR 5 UPDATE MEMORY BUTTON 4 DSP CONTROL PANEL 6 STATUS BAR ...

Page 16: ...oftare showing the version revision and build code Information about the software can also be found by selecting HELP ABOUT from the main menu 1 2 CONNECTION STATUS If a valid connection to a PMA amplifier exists PMA Manager will show Connected immediate ly after the software version if PMA Manager could not establish communication with an ampli fier it will display Disconnected here If you re hav...

Page 17: ...e This is also useful as a way to keep record of settings should an amplifier need to be replaced in the future 2 1 4 Restore Choose Restore to load all amplifier settings from a previously made Backup file locat ed on your hard disk This command will display all control settings in PMA Manager load them into the DSP and store them in amplifier memory 2 1 5 Exit Select Exit to disconnect from the ...

Page 18: ...HELP The Help menu contains commands related to user help and information 2 3 1 User Manual Selecting this option will load and display this manual in PDF format on your computer screen for reference while running the software 2 3 2 Technical Support Brings up a form with information about how contact PRO Technical Support engineers 2 3 3 About Will display information about PMA Manager software 3...

Page 19: ...orresponds to the inputs output channel numbers on the back of the amp 4 2 Installed Amplifer Power Indicates the power in watts installed for each channel 4 3 Pink Noise On Off Button Turns the internal pink noise generator on and off Left click button once to turn noise on click again to turn noise off When on the button will appear depressed and the text will turn blue When off button text is w...

Page 20: ...rams will appear To select a program from the list left click on the pro gram name which will include the loudspeaker model number and inidicate if the program is for the woofer LF midrange MF tweeter HF or for a passive model P The loudspeaker program will then be loaded into the DSP chip for that channel and the name of the program will appear in the drop down control Subwoofer programs will sim...

Page 21: ...IES 21 PMA MANAGER GUI WITH ADVANCED CONTROLS ENABLED PMA MANAGER VOLUME CONTROL FORM SOFTWARE FEATURES 4 8 CHANNEL LEVEL CONTROLS SLIDE CONTROL CHANNEL DESIGNATOR LEVEL READOUT TEXT ENTRY FIELD RANGE CLOSE FORM BUTTON ...

Page 22: ...and will stay there preventing you from working with the main form until you close it by selecting the CLOSE button 5 UPDATE AMPLIFIER MEMORY BUTTON Once all the settings and programs are correct use this button to store all the settings filters and programs shown in the GUI and which are therefore running in the DSP in the on board amplifier memory This will insure that the amp remembers the prog...

Page 23: ...conditions below You the installer are not required to have knowledge of engineering or acoustics just a knowledge of the listening room materials and loudspeaker locations Also included are high and low pass filters to facilitate the combination of subwoofers with satellite full range speakers in music and distributed audio applications SCREEN COMPENSATION The screen compensation filters within P...

Page 24: ...ween the two You will probably need to experiment a bit to determine which of the three filters best neutralizes the effect of your fabric The goal is to achieve natural open high frequency response from the speaker without causing the sound to become too bright NOTE For bi amp systems this filter needs to be loaded only into the tweeter channel as the effect occurs only in the high frequencies we...

Page 25: ...ximate distance to the adjacent surface 1 SURFACE NO COMPENSATION NECESSARY 2 SURFACE LOADING USE 2 SURFACES FILTER 1 SURFACE LOADING In this case the speaker is suf ficiently far away enough 4 or greater from room side wall and floor to be considered 1 Surface loading Dside 4 min Dfloor 4 min Dside Dside Dfloor Dfloor 2 SURFACE LOADING In this case the speaker is close to one adjacent surface Dsi...

Page 26: ...ow pass filters to facilitate the combining of subwoofer mod els with small woofers 5 or smaller satellite speakers in music and distributed audio applications Use the 80Hz high pass filter on the satellite speakers to limit the LF energy and increase dynamic range of the small speaker On bi amp installations apply the filter only to the woofer in the system For full range passive crossover models...

Page 27: ...kup examples POWER STANDBY PROTECT WARNING SHOCK HAZARD DO NOT OPEN NO USER SERVICEABLE PARTS INSIDED ESIGNED AND ASSEMBLED IN HUNTI DSP ACTIVITY PROGRAM TRIGGER USB ALL INSTALLED CHANNELS MUST BE PROGRAMMED WITH CORRECT LOUDSPEAKER PROGRAM BEFORE OPERATION FAILURE TO DO SO WILL RESULT IN LOUDSPEAKER DAMAGE PRO AUDIO TECHNOLOGY PMA MANAGER SOFTWARE REQUIED INPUT LOOP SHORT OR 0V OPEN OR 12 V STAND...

Page 28: ...HANNEL 2 SIGNAL CLIP PROGRAM LOOP INPUT OUTPU T CHANNEL 3 LOOP INPUT OUTPU T CHANNEL 4 LOOP INPUT OUTPU T ON T SIGNAL CLIP PROGRAM SIGNAL CLIP PROGRAM SIGNAL CLIP PROGRAM WARNING THREE WAY TRI AMP CENTER CHANNEL HOOKUP EXAMPLE DUAL SUB BI AMP CENTER CHANNEL HOOKUP EXAMPLE FROM PREAMP CENTER OUTPUT FROM PREAMP LFE OUTPUT TO LOUDSPEAKER TWEETER TO SUBWOOFER 2 TO CENTER SPEAKER TWEETER TO LOUDSPEAKER...

Page 29: ... style Or they will confiscate your PMA amplifiers Or both Don t risk it Get the training PROGRAMMING OVERVIEW During the programming process you will communicate with the DSP Engine inside the PMA ampli fier using suppled PRO PMA Manager software to install loudspeaker programs and auxillary filters that will be used during operation to process the audio for the connected loudspeakers within the ...

Page 30: ... three places where the PMA amplifier DSP settings can exist within amplifier memory within the amplifier DSP chip itself and within an optional backup file on your hard disk At many times during the programming process the settings stored in these different locations may be different or out of sync CONCEPT TO KNOW 2 PMA Manager software allows control of settings currently running the DSP chip of...

Page 31: ...red up again your settings must be stored into the on board flash memory so that they can be loaded by the microprocessor during the power up initialization process CONCEPTS TO KNOW SUMMARY 1 DSP SETTINGS CAN EXIST IN THREE PLACES 1 DSP CHIP 2 MEMORY 3 HARD DISK IF YOU SAVE AN OPTIONAL BACKUP FILE 2 PMA MANAGER SOFTWARE IS JUST AN INTERFACE IT ALLOWS CONTROL AND A VIEW OF THE DSP SETTINGS THAT ARE...

Page 32: ...es Back Panel for more information STEP 3 POWER ON AMPLIFIER Connecting to a PC for the first time Internet Connection Required If this is the first time you ve connected a PMA unit to your computer Windows will need USB drivers to establish communication with the unit Power on the PMA amplifier Windows will see the PMA unit and attempt to install the required USB drivers If the drivers are not av...

Page 33: ...ws when this happens run the PMA Manager Software by selecting START PROGRAMS PRO PMA MANAGER from your Windows menu or double click the shortcut placed on your desktop PMA Manager will open and begin to establish a link to the connected PMA Amplifier The PMA Manager initial or splash screen will appear and will stay on the screen while the software loads The splash screen will display the install...

Page 34: ...n to or be routed to any of the four XLR analog bal anced audio inputs or to the internal pink noise generator The inputs and the noise generator are referred to as sources To accomplish this routing left click on the drop down list control under the Source column heading You will see a list of the five available sources Select the desired source by left clicking the desired source name in the lis...

Page 35: ...d low frequency para metric EQ filters To access these controls go to the main menu SETTINGS ENABLE ADVANCED CONTROLS The GUI will expand and reveal the advanced objects 5d Set Channel Gain Level if required ADVANCED The overall gain output level of each PMA amplifier channel can be adjusted with 0 1dB accu racy CAUTION This feature is NOT intended to be used to match the surround sound acoustic o...

Page 36: ...tored into memory next time the amp power is cycled the previously stored settings will load into the DSP Carefully inspect all settings for the connected amp in the GUI In particular make sure that driv ers within a multi way speaker are routed to the same analog input Make sure that woofer driv ers are connected to the correct low frequency LF speaker programs and that high frequency drivers are...

Page 37: ...rs are disengaged You can also tell amp status from the front panel If the amp is in STANDBY or PROTECT mode the LCD backlight will be dim with text showing and the blue power LED will be OFF REMEDY Determine if the mode is STANDBY or PROTECT by unplugging any wires connected to the TRIGGER input or looping output If the STANDBY PROTECT LED goes out this indicates that the amp was receiving a STAN...

Page 38: ...e sources will appear Left click on the desired source name to load it into the DSP Then left click the full width UPDATE AMPLIFIER MEMORY button to store the settings in the non volatile on board memory PROBLEM AMP IS IN PROTECT MODE CAUSE A FAULT HAS OCCURRED INSIDE OR OUTSIDE THE AMPLIFIER The amp will enter PROTECT MODE when one of following conditions exists there is an over current fault cau...

Page 39: ...ens when the third party device that uses the same USB hardware interface as the PMA Amplifier and therefore the same driver is connected to the PC before the PMA Ampli fier To Windows these devices look the same REMEDY While programming PMA Amplifiers disconnect all other USB devices from your PC This will allow PMA Manager to easily identify and connect to the amp CAUSE 2 WINDOWS HAS NOT LOADED ...

Page 40: ...Btu hr 15W 51 Btu hr 21W 72 Btu hr 24W 82 Btu hr 27W 92 Btu hr 22W 75 Btu hr Input Impedance 24k Ohms Input Sensitivity 200W channels 1 3V 450W channels 1 9V 1000W channels 2 8V Damping Factor 200W channels 200 4 ohm load 400 8 ohm load 450W channels 200 4 ohm load 400 8 ohm load 1000W channels 800 4 ohm load 1600 8 ohm load Frequency Re sponse 20Hz 20kHz 0 2dB 1000W Ch 2 and 3 20Hz 3kHz 0 3dB Idl...

Page 41: ... a manufacturing defect This warranty does not extend to any poduct which has been subject to misuse neglect accident improper installation or where the date code has been removed or defaced PHC shall not be liable for incidental and or consequential damages The warranty gives you specific legal rights This limited warranty is not transferable Customer may have rights which vary from state to stat...

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