Clarion EQS744 User Manual

Clarion EQS744 User Manual

Clarion stereo equalizer user manual

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EQS744
INTRODUCTION
The Clarion EQS744 is a full-featured seven-band stereo equalizer specifically
designed for the mobile environment. Although it is housed in a one-half DIN
enclosure, the EQS744 provides a number of exceptional features in its compact
size, such as:
Seven equalization bands (at 50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz,
6kHz, 16kHz), adjustable from -12dB to +12dB.
Low-pass crossover filter with selectable frequency control 60Hz or 90Hz.
Three stereo RCA outputs to drive front, rear and subwoofer audio
systems.
Auxiliary stereo RCA inputs with adjustable gain control.
Separate controls for master system volume, subwoofer volume, front/rear
fader and selection of main or auxiliary inputs.
For optimum performance, the EQS744 should be installed by an authorized
Clarion dealer.
ABOUT THE MANUAL AND WARRANTY
To start enjoying your new Clarion EQS744, please read the instructions listed in
this manual. Please read your warranty card and save your sale receipt.
Because these items are essential for warranty service.

TABLE OF CONTENTS

Description . . . . . . . . . . . . . . . . . . . . . . . . . .2
Control Glossary . . . . . . . . . . . . . . . . . . . . .3
Applications . . . . . . . . . . . . . . . . . . . . . . . . .4
Mounting Precautions . . . . . . . . . . . . . . . . .4
Wiring Precautions . . . . . . . . . . . . . . . . . . .5
System Set-up . . . . . . . . . . . . . . . . . . . . . . .6
Auxiliary Input . . . . . . . . . . . . . . . . . . . . . . .6
Troubleshooting . . . . . . . . . . . . . . . . . . . . . .7
Product Specs . . . . . . . . . . . . . . . . . . . . . . . .7

DESCRIPTION

The Clarion EQS744 is a seven-band stereo equalizer. Each frequency band is indi-
vidually adjustable to meet individual listening preferences.
The EQS744 also features a subwoofer crossover, subwoofer level control and a
master system volume control. The subwoofer output makes use of a built-in 18dB
per octave electronic crossover that is fixed at 60Hz or 90Hz.
The EQS744 has the built-in an auxiliary input that allows use with portable
devices (such as MP3 player) or a video system.
2

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Summary of Contents for Clarion EQS744

  • Page 1: Table Of Contents

    Clarion dealer. ABOUT THE MANUAL AND WARRANTY To start enjoying your new Clarion EQS744, please read the instructions listed in this manual. Please read your warranty card and save your sale receipt. Because these items are essential for warranty service.
  • Page 2: Control Glossary

    1. Sub level 2. Volume control 3. AUX switch 4. Fader control 5. 50Hz adjustment 6. 125Hz adjustment 7. 315Hz adjustment 8. 750Hz adjustment 9. 2.2kHz adjustment 10. 6 kHz adjustment CONTROL GLOSSARY Volume control - This is the master volume control for the system. Fader control - This is used to balance the sound between the front and rear speakers.
  • Page 3: Applications

    Remote Turn-on MOUNTING PRECAUTIONS The EQS744 graphic equalizer can be mounted next to the source unit or under the dash with the supplied mounting brackets. For easy system set-up, mount the equaliz- er so the front panel controls will be easily accessible from the driver's seat after installation.
  • Page 4: Wiring Precautions

    RCA cables that are no longer than necessary to make a direct connec- tion with the source unit and amplifiers. 5. If you are using a source unit, without a remote turn-on lead, the EQS744 can be turned on with a switched accessory lead. You can find this accessory power source in the factory harness at the back of the radio.
  • Page 5: System Set-Up

    * Once the source unit volume has been set, it will no longer be used. Always use the volume control on the EQS744 as the master (main) volume control. It has better electronics, higher S/N ratio and is more linear than any source unit volume available.
  • Page 6: Troubleshooting

    Source unit volume is set too high. Reduce source unit volume. EQ controls are set too high. Turn EQ controls to the center position and listen for distortion again. If problem still occurs, see your authorized Clarion dealer. Speakers may be damaged. Consult your authorized Clarion dealer.

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