Boston Acoustics GT-40 manual Table of Contents

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GT-40_manual 4/10/03 4:17 PM Page 2

Table of Contents

Parts List

3

Features and Specifications

3

Control Functions

4

Control functions (cont.)

5

Control functions (cont.)

6

Mechanical Functions

6

Control cover removal & reinstallation

6

Multi-position mounting feet

6

Mechanical functions (cont.)

7

Amplifier linking

7

Wire connection

7

Fuses

7

General Installation Precautions

8

Before you install

8

Battery & charging system

8

Wire routing

8

Installation—Amplifier Mounting

9

Choose the mounting location

9

Installation—amplifier mounting (cont.)

10

Passenger & trunk compartment mounting

10

Installation—Fuses & Wiring

10

Amplifier fuses

10

Wire gauge

10

Installation—fuses & wiring (cont.)

11

Power/B+ & power/ground connection

11

Remote input connection

11

Speaker output connection

11

Installation—fuses & wiring (cont.)

12

Mono subwoofer operation

12

Setup Tuning—Full-range Speakers

12

Music

12

Front & rear sensitivity controls

12

Front & rear crossover controls

12

Setup tuning—full-range speakers (cont.)

13

Head unit

13

Volume

13

Front input sensitivity control

13

Front crossover controls

13

Setup tuning—full-range speakers (cont.)

14

Q-factor adjustments

14

Rear input sensitivity & crossover controls

14

Setup Tuning—Rear Fill Speakers & Subwoofers

14

Subwoofer level control

14

Rear input switch

14

Setup tuning—rear fill speakers & subwoofers (cont.)

14

Head unit

15

Volume

15

Rear input sensitivity control

15

Rear crossover control

15

Phase

15

System Examples

16,17

Amplifier Troubleshooting Guide

18

Contact and Warranty Information

19

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Contents Channel, High-Current/High-Power Amplifier GT-40Table of Contents Parts List Features and SpecificationsControl Functions Control Rear Input SwitchStatus LED Indicators Rear RCA InputsMechanical Functions Fuses Wire ConnectionAmplifier Linking Battery & Charging System General Installation PrecautionsBefore You Install Wire RoutingInstallation-Amplifier Mounting Choose the Mounting LocationPassenger & Trunk Compartment Mounting Installation-Fuses & WiringWire Gauge Amplifier FusesSpeaker Output Connection Power/B+ & Power/GND ConnectionRemote Input Connection Setup Tuning-Full-range Speakers Front Input Sensitivity Control VolumeHead Unit Front Crossover ControlsSubwoofer Level Control Rear Input Switch Setup Tuning-Rear Fill SpeakersSetup Tuning-Subwoofers Front Q ControlRear Input Sensitivity Control Rear Crossover ControlSystem B-Full-range Front with Rear Fill System ExamplesSystem A-Full-range Front with Full-range Rear System C-Main Speakers with Single Subwoofer 2Ω System D -Main Speakers with Parallel 4Ω Subwoofers 2Ω loadEngine Noise from Speakers Amplifier Troubleshooting GuideStatus LEDs on Amplifier not Lit-Head Unit Source Turned on If Service Seems Necessary Contact and Warranty InformationLimited Warranty US