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Boston Acoustics
GT-20 GT-222 manual Channel, High-Current/High-PowerAmplifiers
Models:
GT-20 GT-222
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Troubleshooting
Install
Parts list
Warranty
Wire Connection
Setup Tuning-Full-rangeSpeakers
Phase
Battery & Charging System
Status LED Indicators
Volume
Page 1
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GT-20
GT-22
2-Channel,
High-Current/High-Power
Amplifiers
Page 2
Page 1
Image 1
Page 2
Contents
GT-20 GT-22
2-Channel, High-Current/High-PowerAmplifiers
Table of Contents
Features and Specifications
Parts List
GT-20& GT-22Features
Included Hardware GT-20& GT-22
3 Input Switch
Control Functions
1 RCA Inputs
2 Remote Input
8 Status LED Indicators
Control Functions cont
6 Lowpass Crossover Controls
7 “Q” Control
Control Cover Removal & Reinstallation
Mechanical Functions
Recessed RCA Inputs
Multi-positionMounting Feet
Wire Connection
Mechanical Functions cont
Amplifier Linking
Fuses
Before You Install
General Installation Precautions
Battery & Charging System
Wire Routing
13mm 225mm
Installation-AmplifierMounting
GT-22
GT-20
Installation-Fuses& Wiring
Installation-AmplifierMounting cont
Wire Gauge
Passenger & Trunk Compartment Mounting
Power/B+ & Power/GND Connection
Installation-Fuses& Wiring cont
Remote Input Connection
Speaker Output Connection
Installation-Fuses& Wiring cont
Setup Tuning-Full-rangeSpeakers
Mono Subwoofer Operation
1 Music
5 Volume
Setup Tuning-Full-rangeSpeakers cont
4 Head Unit
6 Input Sensitivity Control
Setup Tuning-Subwoofers
Setup Tuning-RearFill Speakers
Setup Tuning-Full-rangeSpeakers cont
1 Input Switch
5 Lowpass Crossover Control
Setup Tuning—Subwooferscont
3 Volume
6 Phase
to ground fuse to + battery terminal
System Examples
System A-Full-rangeFront Speakers
System B-RearFill Speakers
to ground fuse to + battery terminal
System Examples cont
10.5LF
10.5LF
Amplifier Troubleshooting Guide
Limited Warranty US
Contact and Warranty Information
If Service Seems Necessary
GT-20GT-20GT-20GT-20