Boston Acoustics GT-28, GT-24 manual Parts List, Features and Specifications

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Parts List

Included Hardware: GT-28 & GT-24

(1) owner’s manual

(1)female quick-connect terminal for remote input

(1)2mm hex wrench (for speaker input)

(1)3mm hex wrench (for power input)

(6)mounting screws

Features and Specifications

GT-28 and GT-24 Features

2-Channel, High-Current Amplifier

2Mono Operation

Power Increase with Input Voltage Rise

Advanced Cooling Allows Varied Mounting Positions

Adjustable Feet for Varied Mounting Surfaces

24dB or 12dB Octave Lowpass Setting

Continuously Variable Crossover and Q-factor Settings

Selectable Highpass, Lowpass, and Bandpass Settings

Bandpass Configurable for Midbass or Subwoofer

Terminals Accept Bare, Heavy-Gauge Wire

Screw-Down Security Cover Protects Tuning Controls

Optional Remote Subwoofer Level Control

Technical Specifications

 

 

 

GT-28

GT-24

14.4VDC Power

 

 

@ 4 Ohms

2x250W

2x175W

@ 2 Ohms

2x450W

2x275W

@ 4 Ohms (mono)

1x900W

1x550W

@ 2 Ohms (mono)

1x1350W

1x900W

 

 

 

12.6VDC Power

 

 

@ 4 Ohms

2x200W

2x120W

@ 2 Ohms

2x350W

2x200W

@ 4 Ohms (mono)

1x700W

1x440W

@ 2 Ohms (mono)

1x1100W

1x750W

 

 

 

Frequency Response (-3dB)

10Hz–95kHz

10Hz–95kHz

Signal-to-Noise Ratio (A Weighted)

>100dB

>100dB

Dimensions (HxWxD)

21/4x215/8x87/8” (57x548x225mm)

21/4x18x87/8” (57x458x225mm)

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Contents GT-28 GT-24 Channel, High-Current/High-Power AmplifiersTable of Contents Features and Specifications Parts ListControl Functions Control Subwoofer Level Control Port Status LED IndicatorsLowpass Crossover Controls Lowpass SlopeMechanical Functions Wire Connection Amplifier LinkingFuses Wire 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 MountingPower/B+ and Power/GND Connection Remote Input ConnectionSpeaker Output Connection Highpass & Lowpass Crossover Controls Setup Tuning-Full-range SpeakersMono Subwoofer Operation MusicVolume Head UnitCrossover Controls Setup Tuning-Subwoofers Setup Tuning-Rear Fill SpeakersLowpass Crossover Control PhaseSystem Examples System A-Full-Range Front SpeakersSystem B-Rear Fill Speakers System D -Series/Parallel 2Ω Subwoofers 2Ω load System C-Parallel 4Ω Subwoofers 2Ω loadAmplifier 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