Boston Acoustics GT-20 GT-222 Stereo Amplifier User Manual


 
2
Table of Contents
Parts List 3
Features and Specifications 3
Control Functions 4
Control functions (cont.) 5
Mechanical Functions 6
Recessed RCA inputs 6
Control cover removal & reinstallation 6
Multi-position mounting feet 6
Vents (side & rear) 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
Height, width, and depth diagrams 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 (GND) 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
Sensitivity controls 12
Highpass & lowpass crossover controls 12
Setup tuning—full-range speakers (cont.) 13
Head unit 13
Volume 13
Input sensitivity control 13
Crossover controls 13
Setup tuning—full-range speakers (cont.) 14
“Q” control 14
Setup Tuning—Rear Fill Speakers 14
Setup Tuning—Subwoofers 14
Input switch 14
Setup tuning—subwoofers (cont.) 15
Head unit 15
Volume 15
Input sensitivity control 15
Lowpass crossover control 15
Phase 15
System Examples 16,17
Amplifier Troubleshooting Guide 18
Contact and Warranty Information 19