Boston Acoustics GT-50 Vents Side and Rear, Upper side vent lower side vent Ampliﬁer Linking

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Mechanical Functions (cont.)

Vents (Side and Rear)

The cooling vents must be kept clear of obstructions once the ampliﬁer is installed. Failure to do this could lead to premature thermal shutdown or ampliﬁer failure.

upper side vent lower side vent

Ampliﬁer Linking

The design of the side panels enables multiple ampliﬁers to be used together without additional hardware.

GT-50

GT-20

Wire Connection

Ampliﬁer accepts stripped wire directly into the terminal blocks. Speaker outputs accept 8-gauge, and the DC power and ground accept 4-gauge. Tighten with supplied hex wrenches.

Fuses

Ampliﬁer accepts standard AT-style automotive blade fuses.

FUSE 3 x 30A

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Contents GT-50 Channel, High-Current/High-Power AmpliﬁerTable of Contents Features and Speciﬁcations Parts ListFRONT, REAR, and Subwoofer Input Sensitivity Controls Control FunctionsFront RCA Inputs FRONT, REAR, and Subwoofer Remote InputsRear RCA Inputs Rear Input SwitchSubwoofer Mode Switch Front and Rear Q ControlsMechanical Functions Fuses Wire ConnectionVents Side and Rear Upper side vent lower side vent Ampliﬁer LinkingWire Routing General Installation PrecautionsBefore You Install Battery and Charging SystemChoose the Mounting Location Installation-Ampliﬁer MountingAmpliﬁer Fuses Installation-Fuses and WiringWire Gauge Passenger and Trunk Compartment MountingRemote Input Connection Power/B+ and Power/GND ConnectionSpeaker Output Connection FRONT, REAR, and Subwoofer Sensitivity Controls Setup Tuning-Full-Range SpeakersMono Subwoofer Operation MusicFront and Rear Crossover Controls VolumeHead Unit Front and Rear Input Sensitivity ControlsSubwoofer Level Control Subwoofer Mode Switch Setup Tuning-SubwoofersSubwoofer Crossover Control Subwoofer Sensitivity Control2Ω load 2Ω Subwoofer System ExamplesFrom processor 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