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Audio Control EQS - User Manual

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22410 70th Avenue West  Mountlake Terrace, WA 98043  Phone 425-775-8461  Fax 425-778-3166
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Owner’s Enjoyment Manual
Six Channel Pre-Amp Equalizer
EQS
tm
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Summary

EQS Features and Benefits

Dual-Bandwidth Equalization

Offers maximum equalization controls for each area of the audio spectrum.

13 Volt Pre-Amp Line Driver

Increases low output voltage to maximize signal-to-noise ratio and amplifier output.

Auto Select Inputs

Automatically switches inputs to maximize equalization controls based on source unit outputs.

Speaker Level Inputs

High impedance input interfaces with factory source units for amplifier/speaker upgrades.

PFM Subsonic Filter

Helps fine-tune bass response and manage amplifier power by filtering subsonic information.

Quick Installation Guide

Installation Path and Mounting

Install EQS in signal path before amplifiers, mount in accessible, protected location.

Understanding Your EQS

Installing the EQS

Level Matching Procedure

Initial Setup and Gain Setting

Set source unit controls, disconnect amps, adjust input gain until overload LED flickers.

Amplifier Gain and Final Volume

Set amplifier gains to minimum, then adjust output level and source volume for balance.

Equalization Adjustment Guide

PFM Subsonic Filter

Troubleshooting Common Issues

Power and Distortion Problems

Addresses no power issues and distorted sound due to incorrect levels or EQ settings.

Audio Control EQS Specifications

General IconGeneral
Frequency Range20Hz - 20kHz
Signal-to-Noise Ratio>100dB
Total Harmonic Distortion<0.01%
TypeStereo Equalizer
Channels2
Frequency Bands10
EQ Range±12dB
Center Frequencies31.5, 63, 125, 250, 500, 1k, 2k, 4k, 8k, 16kHz
Input Sensitivity1V

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