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Audio Control EQL - User Manual

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EQUALIZER/LEVEL MATCHER
22410 70th Ave. W., Mountlake Terrace, WA 98043
Phone 425-775-8461 • Fax 425-778-3166
www.audiocontrol.com
®
making good stereo sound better
®
®
OWNER’S MANUALOWNER’S MANUAL
OWNER’S MANUALOWNER’S MANUAL
OWNER’S MANUAL
tm
Concert Series
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Summary

Introduction

Key EQL Features Overview

Details the EQL's Dual Bandwidth Equalizer, Level Matching, Balanced Input, and PFM Filter capabilities.

Important Installation and Warranty Advice

Emphasizes professional installation and the importance of the warranty card and sales receipt.

Description

Equalizer and Level Controls Explained

Describes the function of equalizer bands, input gain, and output level controls.

Front Panel Connections and Bypass

Details connection types like High Level, Line Level, Output, and Remote/+12/Ground.

Internal Component Access

Explains how to access the internal PFM module and Ground Isolation Selector.

Installation

System Wiring Examples

Illustrates wiring diagrams for single, 2-way, and 3-way car audio systems.

Installation Site and Precautions

Advises on choosing mounting locations and proper cable management to avoid noise.

Mounting and Connecting the EQL Unit

Provides step-by-step instructions for physically installing and wiring the EQL.

Initial EQL Adjustment Procedure

Guides users on setting input gain and output levels for optimal performance.

Fine-Tuning with a Real Time Analyzer

Recommends using an RTA for precise sound system balancing and adjustments.

Upgrading A Factory (OEM) System

Making Your Own Programmable Frequency Match Modules

Custom PFM Module Calculation

Explains the formula for calculating resistor values for custom low-cut filter modules.

Safety Precautions for Module Modification

Warns of potential damage if power is not turned off before changing modules.

Procedure for Changing PFM Modules

Details the steps to safely replace the internal Programmable Frequency Match module.

Troubleshooting

Warranty

Warranty Conditions and Coverage

Outlines requirements like registration, proof of purchase, and authorized dealer installation.

Legal Terms and Warranty Limitations

Covers legal rights, exclusions, and conditions that may void the warranty.

Block Diagram

Specifications

Audio Control EQL Specifications

General IconGeneral
BrandAudio Control
ModelEQL
CategoryStereo Equalizer
LanguageEnglish

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