Pioneer DEQ-P9 owner manual Audio Adjustment Network, What is the Multi-Amp System?

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Audio Adjustment <Network>

What is the Multi-Amp System?

The multi-speaker system reproduces each frequency band (high, mid, low and ultrabass- ranges) through its own exclusive speaker unit. The multi-amp system provides an exclusive power amplifier for each speaker unit.

There is only limited space in a vehicle for installing speakers, and it is difficult to install large-diameter speakers in a door or on the dashboard and get high sound quality. To over- come this problem, tweeters (high-range) are sometimes installed in the dashboard in order to move the sound image upwards, or the subwoofers are installed in the rear tray in order to improve bass and ultrabass reproduction. Thus, using a multi-speaker system can correct imbalances in the sound image and significantly improve the total sound quality.

The multi-amp system offers the following features, allowing direct operation of the exclu- sive speaker unit for each frequency range by an exclusive power amplifier.

•It is possible to reduce the modulation distortion rate since high-range signals are not effected by strong signals in the low range.

•As it is possible to select amplifiers and speakers to suit the characteristics of each fre- quency range, the load on each unit is reduced, ensuring optimum performance.

Under the multi-amp system, it is necessary to divide the audio signals into each frequency range (band) and strictly control the set up conditions, using the network.

Under this system, the audio unit incorporates a network. The following adjustments can be conducted within the vehicle.

•

Time Alignment Adjustment function

: adjusts for the difference in the distance

 

 

between the listener and each speaker unit.

•

Filter function

: sets up a low pass filter and high pass filter to

 

 

decide the reproduced frequency band, the

 

 

level and the phase of each speaker unit.

As the audio signals are processed in the form of digital signals when the network is work- ing, the sound characteristics that best fit the vehicle interior may be created without any deterioration in sound quality.

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Contents DEQ-P9 Contents Display for the Person who Set Up Audio Adjustments Once you have established a comfortable sound level To establish a safe levelDecibel Level Example Remote Controller DEX-P9 Key FinderHead Unit DEX-P9 Closed state Open stateOpening and Closing the Remote Controller Cover Remote Controller Menu displayWhen the Cover is Closed When the Cover is OpenWhen the cover is closed in the middle of operation Menu display in closed stateAbout This Product Before Using This ProductAbout This Manual About the Digital Network Mode Switch Setting Resetting the Microprocessor Precaution After-sales Service for Pioneer Products 7U.S.AAudio Adjustment Audio MenuMain Main Equalizer EqualizerSwitching to the Audio Menu Audio Adjustment Main Fader/Balance Adjustment FAD/BAL Control Closed stateSwitching to the Main Menu Main Menu MainBass/Treble Adjustment B/T Open state Open the cover of the remote controller refer toPress the 5/∞ buttons and adjust the level Press the Function buttonAdjusting the Listening Position PS Open state Using the Position Selector PosiButton Position Experimenting with other positionsRelationship between the distance and the delay time Fine Tuning the PositionDistance DIS 0 134 in .67 in./1 step Points concerning fine tuning Relation to Time Alignment Adjustment function Time Alignment Adjustment function of the Network MenuDistance tuning of the Position Fine Tuning function Adjusting distance using the Position Fine Tuning functionSource Level Adjustment SLA Open state Increase or decrease the level with the 5/∞ buttonsAudio Adjustment Equalizer Switching to the Equalizer MenuTo cancel the Equalizer Menu, press the Band button Equalizer Menu GEQRelation Between Frequency Characteristics and Sound Quality Points when adjusting the equalizer curve Switch between right and left to set up the equalizer curve Adjusting the 31 Band Graphic Equalizer Fine Open stateWhen completing the adjustment FLT is displayed when the Flat function is on Flat function FLT Open stateAudio Adjustment Network What is the Multi-Amp System?Switching to the Network Menu To cancel the Network Menu, press the Band buttonIf adjustments are difficult Network Menu N.WSwitching to the Time Alignment Adjustment Mode Time Alignment Adjustment T.A. Open stateMeasuring the Distance to be Corrected Delay Time Unit of distance must be inches Inputting the Distance to be Corrected Delay Time Press Function buttons 1 or 2 and select the band to inputEnglish Español Deutsch Français Italiano Nederlands Filter Adjustment FTR Open state Range Cut-off frequency Level adjustment H.P.F L.P.FSwitching to the Filter Adjustment Mode Using the Mute function MUTAbout the H.P.F. and L.P.F About the slopeImportant points in adjusting cut-off frequencies Adjusting the FilterImportant points in adjusting the level Press the 5/∞ buttons and adjust the level of each band Press Function button 3 and adjust the slope of each filterPress Function button 4 and adjust the phase of each band Switch between left and right channel to adjust the filterImportant points in adjusting the slope Important points in adjusting the phaseFor better frequency characteristics Adjusting the subwoofer effectivelyMemory Functions of Adjusted Audio Menu Memo Audio Adjustment Memory FunctionsMemory Equalizer Menu Switching to Memory ModeNetwork Menu Storing the Adjustment Data in Memory Adjust each Audio MenuSwitch to the memory mode of each menu refer to Press the Shift button to cancel memory modeClose the cover of the remote controller Recalling Data Stored in MemoryForward/Reverse Order Functions of Equalizer Menu Specifying the Memory Number DirectlyAfter completing adjustments Specifying the Memory Number DirectlyPress the Function button to recall the memory Memory recall operations on the Equalizer MenuMemory Protect function When turning the Protect function ON/OFFRecall the memory refer to Memory Clearing Operations Display for the Person who Set Up the Audio Adjustments Inputting Characters Switching to the Edit ModePress the Menu button to switch to the Audio Menu Inputting the NameSwitch the desired character type with Function button When removing the car battery Memory Data Memo EqualizerNetwork Filter characteristics Network Time Alignment Connecting the Units Setting Example Using the Corrugated TubeRouting the Optical Cable Insert the optical cable into the cor- rugated tubeConnection Diagram RCA OutputConnecting the RCA Input Amplifier Connecting the Power Terminal Connecting the leadsConnecting the Cables Connecting the IP-BUS and Optical CableAttach the cable clamp Installation Installing the UnitInstall the brackets to the bottom of the unit Install the unit to the vehicleChecklist TroubleshootingSymptom Cause Remedy Specifications GeneralEnglish Español Deutsch Français Italiano Nederlands Title English Title English Pioneer Corporation

DEQ-P9 specifications

The Pioneer DEQ-P9 is a high-performance digital signal processor and equalizer that stands out in the realm of automotive audio systems. Designed for audiophiles and car enthusiasts alike, the DEQ-P9 merges cutting-edge technologies with user-friendly features to enhance sound quality and customization within vehicles.

One of the main features of the DEQ-P9 is its 31-band graphic equalizer. This allows users to precisely tune the audio output across the entire frequency spectrum. With comprehensive control, users can adjust each band to tailor the sound to their personal preferences or correct for acoustics specific to their vehicle. Coupled with a 5-channel built-in amplifier, the DEQ-P9 ensures that even the most demanding audio setups receive ample power and clarity.

In addition to its equalization capabilities, the DEQ-P9 utilizes advanced time alignment technology. This feature allows users to adjust the audio signal's timing so that all speakers in the vehicle can produce sound coherently. Proper time alignment ensures that sound waves from different speakers reach the listener's ears in perfect synchronization, resulting in clear and immersive audio.

Another hallmark of the DEQ-P9 is its extensive connectivity options, which include digital inputs for both optical and coaxial connections, as well as auxiliary inputs for external devices. This versatility means that various sources of audio can be integrated seamlessly, from traditional CD players to modern smartphones and streaming devices.

The Pioneer DEQ-P9 also supports a variety of sound enhancement technologies, including Dolby Digital and DTS processing. These technologies deliver a cinematic audio experience, enhancing surround sound playback for movie lovers and creating an enveloping atmosphere for music enthusiasts.

Pioneer's commitment to user-friendly design is evident in the DEQ-P9's intuitive interface, which features a full-color display and easy navigation options. This allows users to make quick adjustments on the fly, ensuring that they can enjoy optimal sound quality without distraction.

Moreover, the DEQ-P9 is designed with robust build quality, making it highly reliable for prolonged use. Its compact form factor allows for flexible installation options, fitting comfortably within various vehicle environments.

In summary, the Pioneer DEQ-P9 is an exceptional tool for enhancing the in-car audio experience. With its 31-band graphic equalizer, advanced time alignment, versatile connectivity, and support for immersive sound technologies, it caters to the needs of both casual listeners and dedicated audiophiles. Whether navigating city streets or embarking on long road trips, the DEQ-P9 promises to transform the automotive audio landscape, delivering unparalleled sound quality and customization.
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