Boston Acoustics GT-40 instruction

GT-40_manual 4/10/03 4:17 PM Page 1

GT-40

4-Channel, High-Current/High-Power Ampliﬁer

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Boston Acoustics GT-40 manual Channel, High-Current/High-Power Ampliﬁer

Contents

GT-40 Channel, High-Current/High-Power Ampliﬁer Table of Contents Features and Speciﬁcations Parts List Control Functions Status LED Indicators Rear Input SwitchControl Rear RCA Inputs Mechanical Functions Ampliﬁer Linking Wire ConnectionFuses Before You Install General Installation PrecautionsBattery & Charging System Wire Routing Choose the Mounting Location Installation-Ampliﬁer Mounting Wire Gauge Installation-Fuses & WiringPassenger & Trunk Compartment Mounting Ampliﬁer Fuses Remote Input Connection Power/B+ & Power/GND ConnectionSpeaker Output Connection Setup Tuning-Full-range Speakers Head Unit VolumeFront Input Sensitivity Control Front Crossover Controls Setup Tuning-Subwoofers Setup Tuning-Rear Fill SpeakersSubwoofer Level Control Rear Input Switch Front Q Control Rear Crossover Control Rear Input Sensitivity Control System A-Full-range Front with Full-range Rear System ExamplesSystem B-Full-range Front with Rear Fill System D -Main Speakers with Parallel 4Ω Subwoofers 2Ω load System C-Main Speakers with Single Subwoofer 2Ω Status LEDs on Ampliﬁer not Lit-Head Unit Source Turned on Ampliﬁer Troubleshooting GuideEngine Noise from Speakers Limited Warranty US Contact and Warranty InformationIf Service Seems Necessary