Adcom GFA-555 i Power Amplifier

(AMP1019)

1976

Made in USA

The ADCOM GFA-555 is among the world's greatest audio power amplifiers of all time.

The GFA-555 was designed by the legendary Nelson Pass , whose amplifiers today sell new for five figure price tags

Vintage American Hi-Fi, for the Audiophile Connoisseur.

200w stereo into 8 ohms

600w mono in  the 8ohm

850w mono into 4 ohms

800 of damping

In very good cosmetic condition. In impeccable sonic condition.

A conservative value of 200pwc indicated by Mr. Nelson Pass himself, but easily performing beyond this value on various test benches (+/- 370w)

A legendary device from the renowned brand. Beyond its raw power, several of its features have allowed it to stand out from the competition, making it highly versatile. High power, excellent damping, and ease of use. Timeless, modern look.

Description

The Adcom GFA-555 represents the most advanced thinking in audio amplifier design. At 200 watts per channel, it offers exceptional value and superior performance at a reasonable price.

Specifications

• 555
• II
• SE
• Power output: 200 watts per channel into 8Ω (stereo), 600 watts into 8Ω (mono)
  Frequency response: 10Hz to 20kHz
  Total harmonic distortion: 0.09%
  Damping factor: 800
  Gain: 27 dB
  Input sensitivity: 1.75V
  Signal-to-noise ratio: 110dB
  Semiconductors: 42 x transistors, 2 x zener diodes, 13 x diodes, 2 x IC, 2 x diode bridges
  Dimensions: 185 x 432 x 310mm
  Weight: 16kg