Owner`s Manual - Precision Power
Contents
1. full scale of the ADC Do make sure to keep the signal below OdBFS red color and with enough headroom say 10dB to prevent saturation during the typical audio peaks of a music source INPUTS Volume and RMS meter Analog Input Digital Input Custom 1 2 3 4 Label Input 1 Input 2 Input 3 Input 4 Per channel monitoring of 10 Per channel 20 Level control z 30 40 50 60 Per channel E PEQ button p E Mute i Mute er channe mute button 3 2 Matrix Tab The matrix DSP object is the DSP object linking inputs to outputs While very typical on commercial DSP products it may be new for some of you The following section will summarize the basics of configuration Matrix switchers work as a matrix where Rows are inputs Columns are outputs And the status ON OFF of the buttons at the crosspoint of rows inputs amp columns outputs will define the routing and mixing of the audio to one of 8 outputs The following configuration shows how the matrix should be configured for a 4way configuration with Left analog audio input being routed to analog outputs 1 4 Right analog audio input being routed to analog outputs 5 8 Crosspoint buttons ON Analog Out Digital Out Analog In l Left M Right L Right M Right H Sub S PDIF 1 S PDIF 2 Analog inputs in Left Rows Digital In Left M Right L Right M Right H Sub S PDIF 1 S PDIF 2 Digital inputs in Spat Rows Spdif Note how labels of input channels and outp2. be as xml format and previously saved from this plug in For complexity reasons inter plug in compatibility is not available www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P 12 3 4 2 Save configuration Use this feature to save your audio settings configuration The following dialog box allows you to save the file anywhere on your PC as a xml format All 4 memory preset configurations will be saved 3 4 3 Restore Factory default Use this feature to restore the board back to factory default Warning that all configurations will be restored back to default from this action 3 4 4 Restore Factory default Use this feature to restore the board back to factory default Warning that settings of all four configurations will oe blanked back to default www precisionoower com For more info please contact tech precisionpower com Features and Specifications are subject to change P13 4 Troubleshooting The following symptoms were found to be the most likely cause of issues item Symptoms Troubleshooting recommendation If not solved go to item 1 3 No audio on outputs Make sure that audio signal is shown on the RMS input meters Double check that input amp output mute buttons are not enabled Confirm that master mute is not enabled Confirm that you are synchronized and live Click Restore to Factory default while connected 2 No
3. for optional remote Control USB connectivity to Computer SD CARD SD card for saved presets DC Inputs High Level Inputs 4 Analog Inputs www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P 6 In order to familiarize yourself with the software first do not connect any amplifiers fo your DSP outputs until you understand each object Get to know the software first then start playing audio 1 The first step consists in downloading the following required frameworks o Microsofte NET framework v3 5 or up PC only o Latest version of Adobe AIR environment Mac Win o Latest version of Adobe Flash player Mac Win 2 Double click on the air file to install the plug in Once the configuration finalized the plug in will automatically boot up 3 You can now connect the Synthesis board to one of the USB 2 0 port of your PC The device will be recognized as a HID driver and does not require any driver installation 4 The next step is to gain control of the board by synchronizing the PC configuration to the board Please read carefully the following section to understand how this process works By default all plug ins start in offline mode meaning changes made on the user interface do not affect your configuration It is designed in such a way that you can visually confirm your configuration before loading it to the DEQ 8 You should also
4. know that plug ins can only synchronize from PC to board and are not able to retrieve a configuration from the kit In other words make sure your favorite configuration is saved on your PC if you ever decide to change the configuration 5 Once the configuration checked the next step is fo Connect amp Synchronize by clicking on the Green button on the top right Note that this button is ONLY active in an unconnected mode Once connected it will disappear since no more synchronization will be required from there on Connect amp Synchronize E E a Synchronize With this option the current plug in configuration will be loaded flashed to the DEQ 8 and your plug in turned to On line mode Warning that it will overwrite whatever configuration was previously loaded on the board If you d like to load a different configuration click cancel and go to the settings tab to load one of your previously saved configurations b Restore to Default With this option the software application resets all settings back to factory default and reload the firmware Warning that all current settings will be lost and there are no ways to be able to recover them In either synchronization steps the following dialog box will pop up It s very important that you do not un plug the board in the middle of a firmware upgrades or you may corrupt the configuration Loading configuration to the board Please do not un plug the board or close the
5. 0 LOW PASS FILTER SETTINGS HIGH PASS FILTER SETTINGS S Cut off frequen 200 Cut off frequen 20 Low Pass Filter A aean High Pass Filter settings Filter Type Filter Type settings Bypass filter BYPASS Bypass filter BYPASS e Cut off frequency Select the 3dB frequency by either entering the value or using the up amp down arrows of the numeric box s Filter types o Linkwitz Riley LR Available in 12 24 48dB oct o Butterworth BW Available in 6 12 18 24 30 36 42 48dB oct o Bessel Available in 12dB oct Each filter has different phase and amplitude characteristics We recommend you to look online for more information about the specifics of each filter e Bypass button allows you to Enable Disable the filter Make sure to bypass the filter if you do not need the filter enabled e Linking feature allows you to link real time the settings of two crossover windows a handy feature for stereo environments requiring synchronized changes to both left and right channels Step 1 Select the channel you would like to link to from the drop down menu The linking feature will link these two channels together Select Channel Input Channel 2 Input Channel 3 Input Channel 4 Step 2 Click on the Link tick box to enable the linking Note that the environment will warn you that all current PEQ settings of the current channel will be copied over to the linked channel Warning Linking of channels will copy all curre
6. DEQ 8 USER MANUAL www precisionoower com www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P Contents l PFrodociiInNTodOciOhsecsernGnen Gnn GEEnNGPONGEONGNONGEEN GNON GEEN GPON GEEN GPON GEEN GNON GEN GPONGEENGPONGEENGNONGIENEIOGN 3 2 System Connectivity seeesseesessesesessrerctetrrerssssssssstttttttttssssssstttttttt t seses seste tettet seses sste tette resse SSS SeS et EE seses SSeS ni canumosesoresaucacusteiancusnn eeeenonnedereanieee 5 ee PETON d Ee A aa A A E eee 5 BN PUNO GOS I TTT 6 3 PIUOAM APIS CIUlS rniii TENETE 8 oP MAA lt gt reo OOOO oe 8 Sule Perony Lera 8 o a 01 T 8 OG r lt e eget eee ec ecto IE I IEA I I I E EI I IE I E I E T 9 S OTD OT TA o REEE A A E E E T A T 10 gol CUON oe DE at nn E A A ee ee ee ee ree ee 10 K T LC E ccc ee eet eee 10 Aao TITS sesso detinacae Gara den coer oceuaaencden sdousacnobonsdeaesnnocuasdnuaaea sbnuedaasnesecasunaiedaautadacuinbo ocasssotesone salucuansesacenedenocenssorsden osanecenesnaodnastoneanaosass 10 GS spat ces AATA tence ine np saan elo was mse ne ms ose te 10 34 3 Graphe ehe Tr 12 Se e lesleni E meen eee PP AA E AA E ere ee ere eee 11 SA LOCOS OVE Re eT CC OMMOUIOM ON eeni EEE EAEE AEA 12 Sk Ee e OO cate ecco A AAE A A A A A A A EE E A E A A A E A A E 12 op e Va a S O i ee ee A A A T TE l3 34 3 Restore gere ve e te 13 AA PETTO E raen eae D ETT IR r TOMI SIS S
7. IO OI e THT 14 www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P 2 1 Product Introduction DEQ 8 is a Digital Audio Signal Processor DSP capable of performing a wide range of applications from filtering equalization to time alignment Typically located between an audio source CD player Receiver Preamp PC etc and the amplifier a DSP will provide unparalleled tuning flexibility to improve your audio system s performance Using a PC Mac machine and a USB connection you will be able to control your platform from the plug in an intuitive software application allowing real time modification to your configuration Besides its audio specs a great part of our product concept lies in its simplicity of use The sequence of steps required to control a DSP can be summarized as follow Connect the board to your PC Mac machine using a USB cable Launch the plug in to configure settings as required Click Connect amp Synchronize your PC to the board Once synchronized any change is real time and does not require any Synchronization All settings are also automatically saved to both the DSP and the Flash for long term memory Once happy with your configuration you can disconnect the board from your computer since from this point on the audio configuration will run as last modified in on line mode and recalled following every reboot Enjoy Min
8. Mute Mute all inputs amp outputs signal oli Preset Memory selection The DEQ 8 allows the user to create up to 4 preset memories for a quick reconfiguration of the processor Under each configuration all settings of the platform are saved Placed at the top of the user interface the use of configurations couldn t be easier Simply toggle between configurations by clicking on the config button The currently selected configuration Configuration Selection Config 1 Config 2 Config 3 Config 4 or improperly configured configuration We therefore recommend that you perform a quick configuration offline without WARNING By toggling configurations you may go from a working configuration i e correct volume setup Eq to an unknown being connected synchronized to the processor to prevent any damage to your equipment SARS Input Tab The first step in configuring your DEQ 8 consists in making sure audio is being fed to the input correctly To do so click on the button labeled inputs The RMS meter will quickly indicate the average value of the input signal in dABFS i e relative to the full scale of the ADC or 24bit I2S signal Individual faders control the digital gain at the input and per channel mute status www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P8 This meter displays dB full scale dBFS values and will saturate at O0OBES
9. Mute Mute Mute Mute Mute Mace eres Invert Invert Invert Invert Invert Invert Invert Invert Polarity control delay in ms delay in ms delay in ms delay in ms delay in ms delay in ms delay in ms delay in ms S E x 0 9 S 3 s 2 0 9ms 0 9ms 0 9ms 0 9ms 0 9ms 0 9ms HSS ae Master Volume Output delay a 2 an eee j B 1 g 1 gp 1 Bp 8 Disable ADC Mode Dist 0 003 Dist 0 344 Dist 0 344 Dist 0 344 Dist 0 344 Dist 0 344 Dist 0 344 Dist 0 344 m g Moster volume control 3 3 1 Custom Label The custom label feature allows you to input a user defined label for each output channels A handy feature to remember the output configuration of your system 30 2 Monitor Allows you to monitor the input meter of that specific channel on a RMS meter Note that the information is shown in GBFS Jo Output volume A fader control for O to 70dB digital gain control Similar to the input volume control 3 3 4 Crossover Controls for the Low amp High pass filters are available when clicking on the Xover crossover button The log scale graph gives you the equivalent response of the applied filter By pointing the mouse anywhere on the plotted curve the dB attenuation and respective frequency are displayed www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P 10 Bandpass OUTPUT CHANNEL 1 Linking Features P m 1000 2000 5000 10000 2000
10. application Once the board fully synchronized a Successful connection to the board message pops up From this point on all changes to the configuration will be real time and live therefore giving you the chance to hear the effect of your equalization filtering tuning Let s move on to the architecture of the software to understand how to setup your system www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change PZ 3 Plug in Architecture 3 1 1 Main Page Connect amp Master Mute Synchronize a MiniDSP 2x8 Bilal lt Main Menu n MINI DSP 2x8 File Restore Help Preset Memory Configuration Selection Config 1 Config 2 Config 3 Config 4 ee selection C o Main Tab selection INPUTS Volume and RMS meter Analog Input Digital Input 1 2 4 Input 1 Input 2 Input 4 lad lad 0 0 10 10 20 s 20 Main control 30 30 window 40 40 50 x 50 60 x 60 70 70 The main control page can be summarized in few core sections File Access to Load Save configuration Restore Access to restore the whole system or only the current selected configuration preset Help Link to the help file Main control tab Allows selection between input matrix and output control windows Main control window Contains controls for the selected tab Synchronize button Allows you to go online and gain control of your system Master
11. audio on RMS input Check your connectivity 10 IR Double check the strength of your input signal pS Confirm that master mute is disabled 3 Audio on input RMS Make sure the matrix mixer is set to send audio to the output 10 meters but no audio on channels in a mixer plug in outputs Check the output mute status for each channel configuration Confirm the version of the file board USB power only Air Microsoft net SP2 XP 10 Problem unsolved by Have a look at our forums to see if someone else already n a above suggestions had this issue Send us an email tech soundstream com with a clear explanation of the symptoms and descriptions of the troubleshooting steps you already performed Please visit precisionoower com deqg8g www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P14
12. hat you carefully read the manual and other technical notes to insure you fully understand how to operate the board As a general guideline you should first configure your DEQ 8 board before connecting anything to the outputs of the DSP loudspeakers other output sources Doing so will insure that you have the software correctly configured and won t cause any damage to your system Once again Precisionoower can not be responsible of any damages the board make cause to your system WARRANTY TERMS Precisionoower warrants all our products to be free of from defects in materials and workmanship for a period of one year from the invoice date Our warranty terms do not cover failure of the product due to an external trigger misuse servicing or usage outside of the recommended use With this said make sure to carefully read the user manual when customizing the board Any board damage investigated as failure to follow proper installation may void the warranty So if in doubt please make sure to contact us first www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P4 2 System Connectivity MiniUSB cable To Amplifiers of multi way speakers or External processors Synthesis Platform OUTPUTS PC MAC for initial configuration only Not required afterward 2 1 1 DC Power connectivity DEQ 8 requires a 12V regulated power supply of at leas
13. imum System Requirements for software installation DEQ 8 software requires in a PC MAC environment with the following minimum requirements PC Environment l QS oe A PC with 1GHz or higher processor clock speed recommended Intel Pentium Celeron family or AMD K6 AMD Athlon AMD Duron family or compatible processor recommended 512 megabytes MB of RAM or higher recommended USB 2 0 port Keyboard and mouse or compatible pointing device Microsofts Windows Vista SP1 XP pro SP2 Win7 Microsoft NET framework v3 5 Adobe AIR environment latest version Adobe Flash player latest version MAC Environment 9 10 Tels 12 is 14 Lo Intel based MAC with 1GHz or higher processor clock soeed recommended 512 megabytes MB of RAM or higher recommended USB 2 0 port Keyboard and mouse or compatible pointing device Mac OSX 10 4 or higher Adobe AIR environment latest version Adobe Flash player latest version Package content Your DEQ 8 package includes 1 x DEQ 8 DSP 1 x USB cable 1 x Step by Step startup guide www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P3 DISCLAIMER WARNING An incorrect DSP configuration could easily damage your audio system Precisonpower can not be responsible for any damage that may result from the improper use of this product As with any other product we do recommend t
14. nt filter settings to the selected mirroring channel Would you like to go ahead At anytime during the operation you can decide to unlink the channels by simply clicking on the link tick box www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change AAN GRAPHIC EQUAUZER INPUT CHANNEL 2 D EQUALIZER CONTROLS S000 Graphic EQ e Graphic EQ band selection 31 bands of equalization per output Bypass all turns off the EQ settings e Reset All Warning will reset all of the loaded EQ settings 3 3 6 Parametric Equalizer e EQ band selection Select one of the 6 x Parametric Equalizers e Filter type Select between Peak Low Shelf High Shelf e Bypass Disables the equalization but doesn t reset the settings A handy tool to check the influence of equalization on your system without resetting to zero Note that the bypass button is per band Bypass not overall e Linking feature Similar to the crossover dialog box you can link up two EQ settings together PARAMETRIC EQUALIZER INPUT CHANNEL 1 2000 5000 10000 20000 EQ BAND SELECTION EUL Freq 6212 PARAMETRIC EQ BAND 1 E02 x EQ band selection oo Select the EQ3 Freq 32 ISI filter tyoe EQ4 Freq 10 EQS Freq 10 REAR ET 6212 Per Band bypass EQ 3 4 Load Save Restore a configuration 3 4 1 Load configuration Use this feature to load a previously saved configuration The file must
15. t 1 5A 18W Be careful to apply the correct polarity to the Terminal block connector as below For a quick confirmation take a look underneath the PCB for the silkscreen labels 12V GND REMIN REM OUT REM IN The remote IN input will TURN ON OFF the Synthesis above a threshold of 4V It can be a useful feature for battery operated systems that do not want to drain the 12V from the battery that is always present The behavior is as follow o UV lt REM IN lt 4V DSP is OFF O 4V lt REM IN lt 12V DSP is ON A REM OUT A delayed version of the REM IN is available as a REM OUT signal to trigger some amplifiers or external piece of equipment after a 2 second delay It provides 12V 10mA www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change PS E Audio connectivity DEQ 8 can accept both balanced and un balanced audio inouts outputs See the below instructions for audio connectivity on your DSP processor Signal Maximum Input signal OdBFS Maximum Output signal OdBFS ANALOG OUTPUTS Torp OOOO REMOTE HIGH LEVEL INPUTS DC IN REMOTE AS w IN OUT Max input Max output RCA connector 2Vrms 8 dBu or 0 9Vrms High Level Inputs 4Vrms 14 dBu with an unbalanced signal 8Vrms with a balanced signal 20dcBu RCA connector 2Vrms or 0 9Vrms 8Vrms balanced with a signal 20dBu 8 Analog Outputs Remote port
16. ut channels followed on the Matrix mixer to simplify your routing Let s illustrate the concept of configuration of this block using a 3way configuration 2 subs where both Left amp Right signals are being mixed combined Mixing happens when multiple crosspoints are enabled within a column www precisionoower com For more info please contact tech precisionoower com Features and Specifications are subject to change P9 Analog Out Digital Out Analog In Left M Left H Right L Right M Right H S PDIF 1 S PDIF 2 et ky ka Kal Digital In Left L Left M Left H Right L Right M Right H Subi S PDIF 1 S PDIF 2 Spdif Spdif 3 3 Output Tab aP MiniDSP 2x8 Jeg K MINI DSP 2x8 File Restore Help AUDIO ON Configuration Selection Config 1 Config 2 Config 3 Config 4 D G Output Analog Output Digital Output 1 2 3 4 5 6 7 8 1 2 Custom label eke Output 2 Output 3 Output 4 Output 5 Output 6 Output 7 Output 8 S PDIF 1 S PDIF 2 Monitor B H BL rontor BL ere BE wonton H BT lad lad lad oE lad lad Lad lad lad lad U R U R U R U R U R U R U R U R U R 10 10 10 10 10 10 10 10 10 10 20 20 20 20 20 20 20 20 20 20 30 30 30 30 30 30 30 30 30 30 Output volume E mA 40 40 40 40 40 40 40 40 40 50 50 50 50 50 50 50 50 50 50 60 60 60 60 60 60 60 60 60 60 70 70 70 70 70 70 70 70 70 70 p PEQ contro BA H H H H H H H IT M Mute control R gt Mute
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