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AudioControl DQX Owner's Manual

Audiocontrol stereo one-third octave digital equalizer/crossover owner's enjoyment manual dqx
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DQX
Stereo One-Third Octave
Digital Equalizer/Crossover
Owner's Enjoyment Manual
22410 70th Avenue West • Mountlake Terrace, W A 98043 USA
Phone 425-775-8461 • Fax 425-778-3166
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  • Page 1 The S engt Stereo One-Third Octave Digital Equalizer/Crossover Owner’s Enjoyment Manual 22410 70th Avenue West • Mountlake Terrace, W A 98043 USA Phone 425-775-8461 • Fax 425-778-3166 www.audiocontrol.com h of h of h of h of Digit Digit Digit al...
  • Page 2 ® This page was intentionally left bland Owner’s Enjoyment Manual...

  • Page 3: Table Of Contents

    Navigating the DQX menu screens ........12...
  • Page 4 ® Owner’s Enjoyment Manual...

  • Page 5: Introduction

    Now before you start salivating too much just thinking about the benefits of the DQX, take a few minutes to sit back, have a latte’, decaffeinated if necessary, and read through this manual. It...

  • Page 6: Key Features And Highlights

    The precise filtering of the DQX allows you to select bandwidths as narrow as 1/12 octave! ® Programmable 24dB/Octave Three-way...
  • Page 7 We take every effort to ensure that you will have many years of enjoyment out of your DQX. To ensure the perfor- mance of this new Digital product, we highly recommend that you allow your authorized AudioControl dealer to perform the installation.

  • Page 8: Quick Installation Information

    DQX: 1. The DQX needs to be installed in the signal path between your source unit and your external amplifier(s). If this is not obvious to you, quickly...
  • Page 9 Figure 1: Basic DQX System Owner’s Enjoyment Manual The S tr The S The S tr tr tr engt engt engt h of Digit engt The S The S engt h of Digit al h of Digit h of Digit...

  • Page 10: A Guided Tour Of The Dqx

    DQX. 7) Navigation Arrows: These multi-function buttons perform a number of functions, depending upon which mode your DQX is in. You can do any- thing from changing crossover frequencies to apply- ing boost or cut to your equalization filters. However,...
  • Page 11 DQX Digital EQ/Xover By AudioControl(r) By AudioControl(r) By AudioControl(r) By AudioControl(r) By AudioControl(r) ‚ ƒ Figure 2: Top view of DQX Owner’s Enjoyment Manual The S The S tr The S tr tr tr engt engt h of Digit engt...

  • Page 12: Installation

    When the electrical connections are complete, you may reconnect the negative terminal to your battery. Figure 3: Back view of DQX with power connectors and RCA’s Owner’s Enjoyment Manual W ARNING: Failure to disconnect the...

  • Page 13: Audio Wiring

    C. DQX Audio Wiring Planning: As you may already have guessed, there are numerous ways to configure the DQX in your audio system. Spend a little quality time planning out your system and even sketching it out on paper. The following diagrams are just a few of the...
  • Page 14 ® Figure 5: DQX with a FOUR.1 Owner’s Enjoyment Manual...

  • Page 15: Level Matching

    If you are hearing music, go back to step #2 … if you are hearing voices, go see a doctor! 4) Starting with the DQX “Input Level” control, increase or decrease the control knob until the “Input Maximized” LED begins to flicker steadily with the music.

  • Page 16: Navigating The Dqx Menu Screens

    In addition there are only a few knobs so navigating through the DQX’s functions is quite simple. When you first apply power to your DQX, it will go through a few “wake-up” screens, including some subliminal advertising for AudioCon- trol.

  • Page 17: Equalization Adjustment

    L= +6dB >o< >o< Figure 7: Graphic EQ screen Your DQX has 30 built-in graphic equalization filters with fixed, constant-Q center frequencies. These frequencies happen to match those on the AudioControl SA-3055 real time analyzer. In the Graphic EQ mode, you can select any of the 30 frequencies, one at a time, and apply boost or cut.
  • Page 18 Width: This control lets you select how wide of an area each of the DQX’s parametric bands affects. You can choose a real narrow bandwidth, ⁄ like 12 th octaves.

  • Page 19: Setting The Dqx Crossover

    MODE : Xover Xover Xover Xover Xover Xover Mid/Hi=3.55k Mid/Hi=3.55k Mid/Hi=3.55k Mid/Hi=3.55k Mid/Hi=3.55k PFM=30 PFM=30 PFM=30 PFM=30 PFM=30 Lo/Mid=90 Lo/Mid=90 Lo/Mid=90 Lo/Mid=90 Lo/Mid=90 Figure 10: Xover screen In the Xover mode, the display shows the current crossover and subsonic filter frequency settings. These are the points where the subwoofer output begins, where the subwoofer/midrange meet and where the midrange/highpass outputs crossover.

  • Page 20: Mode: Display

    AudioControl dealer perform the equalization adjustments, as they will likely have an analyzer. You can certainly adjust your DQX using your ears, however an RTA will give you the best results. 2) Begin playing pink noise through your system and place the microphone for your analyzer on a microphone stand in the driver’s seat.
  • Page 21 How else can you explain Liberace or rice cakes? The key is to use your DQX to help balance your system from one frequency to the next and give your speakers the sparkle, sizzle, detail or punch that the acous- tics of the car have compromised.

  • Page 22: Troubleshooting

    DQX to try and force your speakers to produce sounds they can’t. Too much bass boost creates a condition called “speakerus explodus”, which is not pretty to hear or watch.

  • Page 23: Under The Cover

    Make sure your system is turned OFF before you move these jumpers. Input Grounding Ground Isolation Choice of beverage — – Figure 15: Inside of DQX Owner’s Enjoyment Manual h of Digit h of Digit al h of Digit al al h of Digit Shipped Options Balanced Unbalanced...

  • Page 24: Warranty

    If you meet all of these conditions, we will warrant all materials and workmanship on your DQX for one year from the date you bought it (five years if it is installed by an autho- rized United States AudioControl dealer). We will fix or replace it, at our option, during that time.
  • Page 25 DQX, that voids your warranty. 5. The warranty is also void if the serial number is altered or removed, or if your DQX has been used improperly. Now that sounds like a big loophole, but here is all we mean by it.

  • Page 26: Specifications

    DQX SPECIFICATIONS All specifications are measured at 14.4 VDC (standard automotive voltage). As technology advances, AudioControl reserves the right to continuously change our specifications…like our weather. Maximum input level ..........7.5 V Maximum output level .
  • Page 27 The S ©2003, AudioControl, a division of Electronic Engineering and Manufacturing, Inc. All rights reserved AudioControl, Making Good Stereo Sound Better, DQX, DQT, and DXS, are all trademarks of Electronic Engineering and Manufacturing, Inc. This manual was conceived, designed, and written on several bleak, windy, and dreary rain-drenched days at our home in the Pacific Northwest Rainforest outside of Seattle, Washington.
  • Page 28 ® ® 22410 70th Avenue West Mountlake Terrace, WA 98043 USA Phone: 425-775-8461 Fax: 425-778-3166 www.audiocontrol.com P/N 9130690 The Strength of Digital Owner’s Enjoyment Manual...

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