Boston Acoustics
GT-20 GT-222
manual
Channel, High-Current/High-Power Amplifiers
Troubleshooting
Install
Parts list
Status LED Indicators
Wire Connection
Warranty
Setup Tuning-Subwoofers
Phase
Volume
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GT-20
GT-22
2-Channel,
High-Current/High-Power
Amplifiers
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Contents
GT-20 GT-22
Channel, High-Current/High-Power Amplifiers
Table of Contents
Features and Specifications
Parts List
Control Functions
Lowpass Crossover Controls
Status LED Indicators
Control
Mechanical Functions
Amplifier Linking
Wire Connection
Fuses
Before You Install
General Installation Precautions
Battery & Charging System
Wire Routing
Choose the Mounting Location
Installation-Amplifier Mounting
Wire Gauge
Installation-Fuses & Wiring
Passenger & Trunk Compartment Mounting
Amplifier Fuses
Remote Input Connection
Power/B+ & Power/GND Connection
Speaker Output Connection
Mono Subwoofer Operation
Setup Tuning-Full-range Speakers
Music
Highpass & Lowpass Crossover Controls
Head Unit
Volume
Crossover Controls
Setup Tuning-Subwoofers
Setup Tuning-Rear Fill Speakers
Lowpass Crossover Control
Phase
System A-Full-range Front Speakers
System Examples
System B-Rear Fill Speakers
System D -Parallel 4Ω Subwoofers 2Ω load
System C-Single Subwoofer 2Ω
Status LEDs on Amplifier not Lit-Head Unit Source Turned on
Amplifier Troubleshooting Guide
Engine Noise from Speakers
Limited Warranty US
Contact and Warranty Information
If Service Seems Necessary
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GT-20GT-20GT-20GT-20