Table of Contents
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Table of Contents
Related Manuals for Boston Mobile Audio GT-2125
Summary of Contents for Boston Mobile Audio GT-2125
- Page 1 2-Channel Ampli er Owners Manual GT-275 GT-2125 GT-2200 GT-2300...
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Page 2: Table Of Contents
Introduction Thank you for choosing Boston Acoustics and congratulations on your purchase of the Boston GT Amplifier. If you own other Boston products, the outstanding audio performance and ease-of-use of the GT Amplifier should come as no surprise. If you’re new to Boston, welcome –... -
Page 3: Parts List
Frequency Range: Slope (dB Per Octave): Signal Voltage Input Range: Fuse Amp Rating: Dimensions: Width: Height: Depth: GT-275 GT-2125 GT-2200 GT-275 GT-2125 GT-2200 75 Watts x 2 125 Watts x 2 200 Watts x 2 120 Watts x 2 200 Watts x 2... -
Page 4: Connections
Connections GT-2300 GT-2200 GT-2125 Stereo RCA Input Remote Turn-On (female spade connector supplied) Remote Gain Port (refer to GT-RSL manual for installation instruction) Left/Right/Mono Speaker Outputs (12-gauge accepted) 12v Power Input (4-gauge accepted) Ground Wire Input (4-gauge accepted) Top Panel Removal / Installation The cover panel is secured with two (2) 3mm screws. -
Page 5: Controls
Controls GT-2300 GT-2200 GT-2125 Stereo/Mono Switch Remote Gain OFF/ON Switch (ON when using GT-RSL) Lowpass Slope Switch (12dB Stereo, 12dB Mono, or 24dB Mono) Lowpass Crossover OFF/ON Switch (OFF/12dB/24dB on GT-275) Lowpass Frequency Adjustment (50Hz to 350Hz - continuously variable) Input Sensitivity (250mv to 8.0v - continuously variable) -
Page 6: Installation - General
Installation - General WARNING! Before driving the amplifier mounting screws through any surface, be sure of what is behind that surface. Check for the gas tank, brake lines, and any vehicle wiring harness. Never run wires outside or under the vehicle or where they could become broken or interfere with the safe operation of the vehicle. Before You Install Before you install the unit, disconnect the negative (–) battery cable in the engine compartment of the vehicle. -
Page 7: Installation - Wiring
Installation - Wiring Amplifier Fuses Although the amplifier has an internal fuse, additional fuse protection should be installed as close as possible to the battery on the positive (+) power wire going to the amplifier. An inline fuse should be installed at no more than 18"... -
Page 8: Tuning The Amplifier - Front Or Rear Speakers
Tuning The Amplifier - Front or Rear Speakers 1) Music The material chosen for head unit/amplifier system setup must be both clear in recording quality and dynamic in amplitude. Many audiophile “test” discs have musical tracks with both of these characteristics and should be used. 2) Input Sensitivity Control Turn control all the way counterclockwise (minimum position). -
Page 9: Input Sensitivity Control
Tuning The Amplifier - Front or Rear Speakers 6) Input Sensitivity Control Slowly rotate the control clockwise (refer to the diagram on page 5) until maximum undistorted playing level is heard from the speakers. Listen closely for bottoming from the speakers. If detected, rotate the input sensitivity control counterclockwise until it is eliminated. -
Page 10: Tuning The Amplifier - Subwoofers
Tuning The Amplifier - Subwoofer (s) 1) Input Switch Move switch to the right-hand (MONO) position (refer to the diagram on page 5); the inputs are summed to mono. Connect the subwoofer to the speaker output terminals marked for mono operation. NOTE: Subwoofer impedance is 2 ohms minimum. -
Page 11: Lowpass Crossover Control
The remote level control (GT-RSL) gives you independent level adjustment of the subwoofer’s output level beyond the standard system volume control. Please refer to the RSL’s manual for installation instruction. The GT-RSL is available separately, please consult your authorized Boston Acoustics dealer. Bridged Operation Wiring Configuration Diagram ™... -
Page 12: Amplifier Troubleshooting Guide
T: 978.538.5000 F: 978.538.5100 W: bostonacoustics.com Boston, Boston GT, Boston Acoustics, and the Boston Acoustics logo are registered trademarks and DualMode and Q-Tune are trademarks of Boston Acoustics, Inc. Specifications are subject to change without notice. © 2008 Boston Acoustics, Inc. All rights reserved. Covered by patents issued and/or pending. 142-003178-0...