Adcom GFA-555

Data

General Product type: High end high power amplifier

• Manufacturer: Adcom
• Model: GFA-555
• Years of manufacture: 1985-1990
• Made in: USA
• Color: black, white
• Type: analog / stereo
• Remote control: no
• Power consumption: 1000 W
• Dimensions: 185 x 432 x 310 mm
• Weight: 16Kg
• New price approx.: 1200USD

Connections

• Number of inputs:
  • 1x PreAmp
• Number of outputs:
  • 1 x Stereo

Specifications

• Output power: 200 watts per channel in 8Ω (stereo), 600 watts in 8Ω (mono).
• Frequency response: 10Hz to 20kHz.
• Total harmonic distortion: 0.09%.
• Attenuation factor: 800
• Gain: 27 dB
• Input sensitivity: 1.75V
• Signal to noise ratio: 110 dB

Special Features

• Semiconductors: 42 x transistors, 2 x Zener diodes, 13 x diodes, 2 x IC, 2 x diode bridges.
• Nelson pass design circuit

Remarks

More models of the same series:

Pictures

• GFA555 front.jpg

  ADCOM GFA-555 Front

• 

  ADCOM GFA-555 Rear

Links

http://www.hifi-classic.net/review/adcom-gfa-555-177.htmlHifi-Classic.net Review