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Boston Acoustics
GT-424-Channel manual Channel, High-Current/High-PowerAmplifier
Models:
GT-424-Channel
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Troubleshooting
Install
Parts list
Warranty
Wire Connection
Setup Tuning-Full-RangeSpeakers
Phase
Battery and Charging System
11Status LED Indicators
Volume
Page 1
Image 1
GT-42
4-Channel,
High-Current/High-Power
Amplifier
Page 2
Page 1
Image 1
Page 2
Contents
GT-42
4-Channel, High-Current/High-PowerAmplifier
Parts List
Table of Contents
Features and Specifications
General Installation Precautions
Features and Specifications
Parts List
GT-42Features
GT-42Specifications
Control Functions
3 FRONT Input Switch
1 FRONT RCA Inputs
2 FRONT Remote Input
11Status LED Indicators
9 REAR Input Switch
Move filter switch to “ON” position to engage
Control Functions cont
Mechanical Functions
Control Cover Removal and Reinstallation
12 Subwoofer Level Control and Port
Recessed RCA Inputs
Mechanical Functions cont
Wire Connection
Amplifier Linking
Fuses
Before You Install
General Installation Precautions
Battery and Charging System
Wire Routing
Choose the Mounting Location
Installation-AmplifierMounting
13mm 1/2” 225mm 87/8” GT-42
57mm 21/4”
Installation-Fusesand Wiring
Installation-AmplifierMounting cont
Wire Gauge
Passenger and Trunk Compartment Mounting
Power/B+ and Power/GND Connection
Installation-Fusesand Wiring cont
Remote Input Connection
Speaker Output Connection
Mono Subwoofer Operation
Setup Tuning-Full-RangeSpeakers
1 Music
2 FRONT and REAR Sensitivity Controls
5 Volume
Setup Tuning-Full-RangeSpeakers cont
4 Head Unit
6 FRONT Input Sensitivity Control
Setup Tuning-Subwoofers
Setup Tuning-RearFill Speakers
2 REAR Input Switch
8 FRONT “Q” Control
4 Volume
Setup Tuning-Subwooferscont
7 PHASE
3 Head Unit
System A-Full-RangeFront with Full-RangeRear
System Examples
System B-Full-RangeFront with Rear Fill
to + battery terminal to + battery terminal
System C-MainSpeakers with Single Subwoofer 2Ω
System Examples cont
to + battery terminal to + battery terminal
+ battery terminal
Engine Noise from Speakers
Amplifier Troubleshooting Guide
Limited Warranty US
Contact and Warranty Information
If Service Seems Necessary
GT-42GT-42GT-42GT-42