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Introduction

Congratulations! You have just chosen the premium in car audio
equipment.  ZAPCO has well established its place as the technological
leader in the car audio industry.  Because of this, you can rest assured
that you have the best car audio components in the world.
The ZAPCO SEQ Stereo preamp/equalizer provides multiple control
functions with 9 x 2 bands of graphic equalization (with separate controls
for each channel) in a compact, heavy-duty die cast package, utilizing
low noise, high slew rate amplifiers throughout.

Features

 

18 dB boost/cut range on eq bands.

 

Custom slide pot taper for smooth gain change and better resolution.

 

Master volume control using high-quality conductive plastic
potentiometers with superior L/R tracking and very low noise.

 

Input and output LED overload indicators, accurate to within 1 dB of
clipping.

 

On-off 22 dB cut switch with de-thumping circuitry.

 

Variable-gain input preamplifier with 6 to 26 dB adjustable gain for
matching to low or high output level decks.

 

Signal to noise >98 dB.

 

Low impedance output drives long cables.

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Summary of Contents for SEQ

Page 1: ...Model SEQ Preamp Equalizer A R P A OF AMERICA CORP MADE IN MODESTO CA U S A...

Page 2: ...es 3 Installation Instructions 4 Connecting the SEQ 5 Operation and Calibration 6 Input Gain Control 6 Mounting Method 7 SEQ Wiring Diagram Method 1 9 SEQ Wiring Diagram Method 2 10 Help Technical Ass...

Page 3: ...compact heavy duty die cast package utilizing low noise high slew rate amplifiers throughout Features 18 dB boost cut range on eq bands Custom slide pot taper for smooth gain change and better resolu...

Page 4: ...connection of these wires are as follows unless otherwise indicated on a tag attached to the cable Green Right Channel Input to SEQ from right channel output of source unit White Left Channel Input t...

Page 5: ...t Four separate wires should terminate under the same screw at the case of the source unit Preferably this connection is made through a 1 4 amp fast blow fuse directly to the car battery Connecting th...

Page 6: ...within 1dB of clipping super bright LED C Volume control high quality conductive plastic potentiometer D Output clipping detector indicates the onset of output clipping E Equalizer boost cut controls...

Page 7: ...a balance control ensure that it is set to center Set the SEQ filter controls flat 0dB Using the small plastic screwdriver included with the SEQ adjust the input gain trim pots fully counterclockwise...

Page 8: ...ircuit board and will void the warranty Low Profile Mounting Method Low profile mounting provides 1 5 8 maximum height above the mounting surface The SEQ has two holes in the back for low profile moun...

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Page 11: ...ormation which will include your name return shipping address daytime phone number model and serial number and a detailed description of your problem A photocopy of your original purchase receipt is n...

Page 12: ...to design specs 4 Extrusion Machining American made aluminum extrusion is cut and machined to precise tolerances 5 Assembly The product is assembled 6 Final Test Every product is tested with the high...

Page 13: ...A R P A OF AMERICA CORP 413 S RIVERSIDE DRIVE SUITE D MODESTO CA 95354 209 577 4268 FAX 209 577 8548 SEQ Rev E 7 96...

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