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Boston Acoustics GT-475

500W RMS, GT Reference Series 4-Channel Amplifier

Boston Acoustics
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GT Series 4-Channel Reference Amplifier • 75W x 4 Chan. @ 4 Ohm • 120W x 4 Chan. @ 2 Ohm • Fully Computer-Controlled Diagnostics System • Q-Tune™ Technology • Fan Cooled Aluminum Alloy Heatsink •

Learn more about the gt475

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Product Highlights


GT Series 4-Channel Reference Amplifier • 75W x 4 Chan. @ 4 Ohm • 120W x 4 Chan. @ 2 Ohm • Fully Computer-Controlled Diagnostics System • Q-Tune™ Technology • Fan Cooled Aluminum Alloy Heatsink •

Description


Boston Acoustics GT Reference Series Amplifiers

Boston Acoustics GT Reference amplifiers are perfect for just about any situation and any installation. The GT-475 4-channel amplifier has a CEA-2006-A power rating of 75W x 4 channels @ 4 ohms, 120W x 4 channels @ 2 ohms, and 250W x 2 channel bridged @ 2 ohms. All of these ratings give the amplifier unsurpassed versatility, whether you are amplifying a set of speakers or even a subwoofer. Q-Tune™ technology will combine your main speakers with the subwoofers, giving you bass up front and a whole new way of enjoying your music. The unique forced air cooling system allows for extreme heat dissipation and installation anywhere without the need to worry of thermal overload. Variable low and high crossovers combined with the Q-Control feature will give you complete control of all frequencies to better fine tune your audio system to better meet your personal preferences. GT Reference amplifiers provide unmatched technology and reliable power output, they are easy to install and are capable of stereo or mono operation with its DualMode™ feature. With all of its features and technologies GT Reference amplifiers are a great choice when selecting an amplifier.

  • GT Reference Series 4-Channel Amplifier
  • RMS Power Rating(CEA-2006-A):
    • 4 ohm: 75 watts x 4 chan.
    • 2 ohm: 120 watts x 4 chan.
    • Bridged, 2 ohm: 250 watts x 2 chan.
  • Mixed Operation Power Rating (CEA-2006-A):
    • 4 ohm: 75 watts x 2 chan.
    • 2 ohm: 250 watts x 1 chan.
    • RMS Power Rating(12V):
      • 4 ohm: 65 watts x 4 chan.
      • 2 ohm: 200 watts x 2 chan.
    • Remote bass level input (GT-RSL remote level control sold separately)
    • Red LED power badge and orange protect indicator
    • 4/3/2 channel operation
    • Adjustable mounting feet (mounting feet move along rails to allow the easiest installation)
    • Fully computer-controlled diagnostics system (continuously monitors amplifier in case of thermal overload, short circuits, or over voltage)
    • Q-Tune™ technology combines sophisticated crossover adjustments with Q-Control settings to seamlessly transition rear bass to the front sound stage
    • Heavy duty fan cooled aluminum alloy heatsink
    • Gold-plated RCA level inputs
    • Gold-plated screw terminals
    • Variable high-pass filter (20-250 Hz, 12 dB/octave)
    • Variable low-pass filter (50-350 Hz, 12 or 24 dB/octave)
    • Signal Voltage Input (200mV-8V)
    • Frequency response: 10-95,000 Hz
    • Dimensions: 14-3/4"L x 9"W x 2-3/8"H
    • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
    • 1-year Manufacturer's warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
75 watts x 4 channel
RMS Power @ 2 ohms
120 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total RMS Power Output
480 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
2 ohms
THD at Rated RMS Power
.03%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
20 - 250 Hz
Low-Pass Crossover Frequency
50 - 350 Hz
Signal-to-Noise Ratio
100 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
40A x 1 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

GT-475

Weight:

9.00lbs

Internal SKU:

gt475

Internal Product ID:

17786

Product and How-to Videos


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