Ampliﬁer Linking, Wire Connection | Boston Acoustics GT-20 GT-222

Mechanical Functions (cont.)

Ampliﬁer Linking

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

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.

GT-20GT-22

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Boston Acoustics GT-20 GT-222 manual Ampliﬁer Linking, Wire Connection, Fuses

Contents

GT-20 GT-22 Channel, High-Current/High-Power Ampliﬁers Table of Contents Features and Speciﬁcations Parts List Control Functions Lowpass Crossover Controls Status LED IndicatorsControl Mechanical Functions Ampliﬁer Linking Wire ConnectionFuses Wire Routing General Installation PrecautionsBefore You Install Battery & Charging System Choose the Mounting Location Installation-Ampliﬁer Mounting Ampliﬁer Fuses Installation-Fuses & WiringWire Gauge Passenger & Trunk Compartment Mounting Remote Input Connection Power/B+ & Power/GND ConnectionSpeaker Output Connection Highpass & Lowpass Crossover Controls Setup Tuning-Full-range SpeakersMono Subwoofer Operation Music Head Unit VolumeCrossover Controls Setup Tuning-Subwoofers Setup Tuning-Rear Fill Speakers Lowpass Crossover Control Phase System A-Full-range Front Speakers System ExamplesSystem B-Rear Fill Speakers System D -Parallel 4Ω Subwoofers 2Ω load System C-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