Boston Acoustics owner manual GT-475 GT-4100

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4-Channel Ampli￿er Owners Manual

GT-475

GT-4100

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Contents GT-475 GT-4100 Table Of Contents Parts List Parts And SpecificationsSpecifications Connections Top Panel Removal / InstallationConnections Controls ControlsStatus LEDs Installation General Installation GeneralInstallation Wiring Installation WiringTuning The Amplifier Front and Rear Speakers Tuning Front and Rear SpeakersTuneControl Front Channels Only Crossover ControlsTuning The Amplifier Front Speakers and Subwoofer s Tuning SubwoofersInput Sensitivity Control Front and Rear Channels Highpass Crossover Control Front Channel OnlyTune Control Front Channel Only Rear Input SwitchLowpass Crossover Control Rear Channels Only RSL Control Rear Channels OnlyStatus LEDs on Amplifier not Lit-Head Unit Source Turned on Amplifier Troubleshooting Guide