Details
Specifications
The classic award winning amplifier design of the original GFA-555mkII has been reborn. The Adcom GFA-555 represents the most advanced thinking in audio amplifier design. It offers exceptional value and superior performance at a reasonable price. Being innovative is what keeps us going strong and achieving great things. Whether it's our iconic high current amplifiers or our cutting-edge digital processors, ADCOM components never fail to impress even the toughest crowds. As we keep pushing for better quality and performance, our components have scooped up more than 25 Product of the Year and Special Recognition awards from Audio Video International. On top of that, we've snagged 3 Diapason D’Or Awards, 7 Consumer Electronics Show Design and Engineering Awards, and we've been featured on Stereophile’s “Recommended Components” list 70+ times since
Output Power
200 watts per channel, 8 ohms
300 watts per channel, 4 ohms
600 watts, 8 ohms BRIDGED
Frequency Resp.
@ 1watt, 8-ohms:
10Hz to 20kHz +0, -0.25dB
Power Bandwidth (-3dB):
1.7Hz to 100kHz
Input Impedance
100k ohms unbalanced
10k ohms balanced
Power:
120VAC & 230VAC / 50-60Hz
Max Dimensions
7-1/2” x 12-1/2” x 17”
191mm X 318mm X 432mm
Weight
Input Sensitivity
1.75V rms, 200W into 8 ohms.
130mV rms, 1 W into 8 ohms.
Damping Factor
≥ 900, 20Hz to 20kHz.
The classic award winning amplifier design of the original GFA-555mkII has been reborn. The Adcom GFA-555 represents the most advanced thinking in audio amplifier design. It offers exceptional value and superior performance at a reasonable price. Being innovative is what keeps us going strong and achieving great things. Whether it's our iconic high current amplifiers or our cutting-edge digital processors, ADCOM components never fail to impress even the toughest crowds. As we keep pushing for better quality and performance, our components have scooped up more than 25 Product of the Year and Special Recognition awards from Audio Video International. On top of that, we've snagged 3 Diapason D’Or Awards, 7 Consumer Electronics Show Design and Engineering Awards, and we've been featured on Stereophile’s “Recommended Components” list 70+ times since
Output Power
200 watts per channel, 8 ohms
300 watts per channel, 4 ohms
600 watts, 8 ohms BRIDGED
Frequency Resp.
@ 1watt, 8-ohms:
10Hz to 20kHz +0, -0.25dB
Power Bandwidth (-3dB):
1.7Hz to 100kHz
Input Impedance
100k ohms unbalanced
10k ohms balanced
Power:
120VAC & 230VAC / 50-60Hz
Max Dimensions
7-1/2” x 12-1/2” x 17”
191mm X 318mm X 432mm
Weight
Input Sensitivity
1.75V rms, 200W into 8 ohms.
130mV rms, 1 W into 8 ohms.
Damping Factor
≥ 900, 20Hz to 20kHz.
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