Adcom GFA-535 II
- Location
- US
- Seller
- Just Audio HiFi
- Source
- Just Audio HiFi Dealer
- Posted
- 4 Aug 2025
- Last seen
- 2h ago
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Specifications:
Power output: 60 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 20kHz
Total harmonic distortion: 0.04%
Damping factor: 180
Gain: 27 dB
Input sensitivity: 0.97V
Signal to noise ratio: 110dB
Semiconductors: 34 x transistors, 2 x zener diodes, 14 x diodes, 2 x IC, 2 x diode bridges
Dimensions: 86 x 432 x 317mm
Weight: 8.9kg
Repair:
Cleaned and Tested
DN8072625
Generating expert take…
ADCOM emerged in the 1970s as a family-owned American audio venture founded by audiophile Newt Channin, initially focusing on exceptionally musical moving-coil phono cartridges that set it apart from typical entrants. The brand quickly pivoted to electronics with the groundbreaking GFA-1 power amplifier in 1979, delivering 200 watts per channel and robust current for demanding speakers, propelling ADCOM into prominence during the high-fidelity boom of the 1980s and 1990s.
The company built its legacy on high-performance amplifiers, including the Nelson Pass-designed GFA-555 that garnered worldwide acclaim, alongside AV tuners, preamps, and multichannel power amps like the GFA-6000 tailored for home theater. While early roots lay in phono gear, ADCOM specialized in electronics offering superior sound quality without extravagant pricing, eschewing speakers, headphones, or extensive cabling lines.
Positioned firmly in the mid-fi realm, ADCOM defined accessible high-end audio for discerning buyers, blending value and performance that rivaled pricier competitors. After challenges and ownership shifts—including a Thai firm and a faltering 2010 relaunch—the brand staged a robust comeback in 2024 under J&B Distribution, reviving classics like the GFA-555ms alongside modern integrated amps and preamps, reclaiming its spot among savvy audiophiles seeking reliable, soul-stirring sound.
See all ADCOM listings on RADAR.