Boston Acoustics GT-4100, GT-475 owner manual Table Of Contents

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Table Of Contents

Introduction

Thank you for choosing Boston Acoustics® and congratulations on your purchase of the Boston GT® Amplifier. If you own other Boston products, the outstanding audio performance and ease-of-use of the GT Amplifier should come as no surprise. If you’re new to Boston, welcome – you’ve made a great choice.

Table of Contents

Parts list

3

Specifications

 

Connections

4

Top panel removal / installation

 

Controls

5

Status LEDs

 

Installation - General

6

Before you install

 

Battery and charging system

 

Wire routing

 

Mounting location

 

Passenger & trunk compartment mounting

 

Multi-Position Mounting Feet

 

Venting

 

Installation - Wiring

7

Amplifier fuses

 

Wire gauge

 

Power 12v and ground (GND) connection

 

Remote input connection

 

Speaker output connection

 

Mono subwoofer operation

 

Tuning The Amplifier - Front and Rear Speakers

8

Music

 

Front signal routing switch

 

Input sensitivity control

 

Highpass and lowpass crossover controls

 

Head unit

 

Volume

 

4-channel highpass operation switch configuration diagram

 

Input sensitivity control

 

Crossover controls

 

Q-Tunecontrol

 

4-channel operation wiring configuration diagram

 

Tuning The Amplifier - Front Speakers and Subwoofers

10

Front signal routing switch

 

Head unit

 

Volume

 

Input sensitivity control

 

Highpass crossover control

 

Q-Tunecontrol

 

Rear input switch

 

Lowpass crossover control

 

GT-RSL

 

Bridged operation wiring configuration diagram

 

Amplifier Troubleshooting Guide

12

Service Information

 

2

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Contents GT-475 GT-4100 Table Of Contents Specifications Parts And SpecificationsParts List Connections Top Panel Removal / InstallationConnections Status LEDs ControlsControls Installation General Installation GeneralInstallation Wiring Installation WiringTuning Front and Rear Speakers Tuning The Amplifier Front and Rear SpeakersCrossover Controls TuneControl Front Channels OnlyInput Sensitivity Control Front and Rear Channels Tuning SubwoofersTuning The Amplifier Front Speakers and Subwoofer s Highpass Crossover Control Front Channel OnlyLowpass Crossover Control Rear Channels Only Rear Input SwitchTune Control Front Channel Only RSL Control Rear Channels OnlyAmplifier Troubleshooting Guide Status LEDs on Amplifier not Lit-Head Unit Source Turned on