BETA
RADAR is in beta — expect errors. Accuracy and coverage improvements are shipping daily.
LIVE
Waiting for new listings…
0 other audiophiles online

Our Thoughts RADAR AI

Is US$178 a sensible buy for this amp? Against recent comps, it sits a touch above the US$169 median and just over the US$173 75th percentile, so this is a mildly ambitious asking price rather than a bargain. It’s not wildly out of line, but you’re paying a small premium versus the current used market.

That said, this is a well-regarded Adcom muscle amp: plenty of current, honest 5-channel-era build quality, and a reputation for being punchy and reliable when serviced well. If the unit is clean, fully working, and ideally has had the usual age-related maintenance checked, it’s still a worthwhile piece to own. At this price, I’d want confidence in condition more than I’d expect a steal.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About ADCOM

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.

More GFA-535 listings