Specifications
2
Introduction
T
hank you for choosing Boston Acoustics and congratulations, you’ve
made the right choice. You’re now equipped for the open road. Your high
performance GTA amplifiers are engineered to perform and built to last.
These products represent the pinnacle of performance and innovation that
Boston Acoustics is famous for. We hope you enjoy your amplifier and the
road ahead.
Technical Specifications:
GTA-502 GTA-802 GTA-504
Rated Power (CEA-2006-A):
@ 4-Ohm (Stereo): 50 Watts x 2 80 Watts x 2 50 Watts x 4
@ 2-Ohm (Stereo) 80 Watts x 2 130 Watts x 2 80 Watts x 4
@ 4-Ohm (Mono) 160 Watts x 1 260 Watts x 1 160 Watts x 2
Impedance Stability:
Stereo: 2Ω 2Ω 2Ω
Mono: 4Ω 4Ω 4Ω
Frequency Response (-3dB): 10Hz–50kHz 10Hz–50kHz 10Hz–50kHz
Signal-to-Noise Ratio: >90dB >90dB >90dB
(A Weighted)
THD+N: 0.05 0.05 0.05
Highpass Crossover:
Frequency Range: 50Hz - 200Hz 50Hz - 200Hz 50Hz - 200Hz
Slope (dB Per Octave): 12dB 12dB 12dB
Lowpass Crossover:
Frequency Range: 50Hz - 200Hz 50Hz - 200Hz 50Hz - 200Hz
Slope (dB Per Octave): 12dB 12dB 12dB
Signal Voltage Input Range:
Low Level (RCA) Input: 200mv - 5v 200mv - 5v 200mv - 5v
Speaker Level Input: 400mv - 10v 400mv - 10v 400mv - 10v
Fuse Amp Rating (ATC): 20 Amp 30 Amp 2 x 25 Amp
Dimensions:
Width: 9
3
⁄
8
” (238mm) 11
3
⁄
4
” (298mm) 14
3
⁄
8
” (358mm)
Height: 2
3
⁄
8
” (60mm) 2
3
⁄
8
” (60mm) 2
3
⁄
8
” (60mm)
Depth: 8
3
⁄
8
” (211mm) 8
3
⁄
8
” (211mm) 8
3
⁄
8
” (211mm)
Parts List:
GT
A-502
GT
A-802 GTA-504
Owners Manual: x 1 x 1 x 1
3mm Hex Wrench: x 1 x 1 x 1
2mm Hex Wrench: n/a n/a x 1
Speaker Level Input Cable: x 1 x 1 x 2
Mounting Screws: x 4 x 4 x 4
Replacement Fuses (ATC): x 1 (20 amp) x 1 (30 amp) x 2 (25 amp)
