Boston Acoustics GT-42 manual Installation-Amplifier Mounting, Choose the Mounting Location

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Installation—Amplifier Mounting

Choose the Mounting Location

Plan your installation so that the amplifier is mounted where adequate ventilation is available.

Never mount an amplifier in the engine compartment of a vehicle!

WARNING! Before driving the mounting screws through any surface, be sure of what is behind that sur- face. Check for gas tank, brake lines, and any vehicle wiring harness.

13mm (1/2”)

225mm (87/8”)

GT-42

S TAT U S

ON

SAFE

M O N O

FRONT SPEAKER OUTPUT

LR

MONO

REAR SPEAKER OUTPUT

L R

 

 

 

 

 

1 2 . 6 – 1 4 . 4 V D C

 

G RO U N D

 

 

 

 

 

B +

B +

 

G N D

G N D

57mm (21/4”)

548mm (215/8”)

9

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Contents GT-42 Channel, High-Current/High-Power AmplifierTable of Contents Features and Specifications Parts ListControl Functions Status LED Indicators Rear Input SwitchControl Rear RCA InputsMechanical Functions Wire Connection Amplifier LinkingFuses Before You Install General Installation PrecautionsBattery and Charging System Wire RoutingChoose the Mounting Location Installation-Amplifier MountingWire Gauge Installation-Fuses and WiringPassenger and Trunk Compartment Mounting Amplifier FusesPower/B+ and Power/GND Connection Remote Input ConnectionSpeaker Output Connection Setup Tuning-Full-Range Speakers Head Unit VolumeFront Input Sensitivity Control Front Crossover ControlsSetup Tuning-Subwoofers Setup Tuning-Rear Fill SpeakersSubwoofer Level Control Rear Input Switch Front Q ControlRear Crossover Control Rear Input Sensitivity ControlSystem Examples System A-Full-Range Front with Full-Range RearSystem B-Full-Range Front with Rear Fill System D -Main Speakers with Parallel 4Ω Subwoofers 2Ω load System C-Main Speakers with Single Subwoofer 2ΩAmplifier Troubleshooting Guide Status LEDs on Amplifier not Lit-Head Unit Source Turned onEngine Noise from Speakers Contact and Warranty Information Limited Warranty USIf Service Seems Necessary