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Selling my Adcom GFA-575SE stereo power amplifier. This is one of Adcom’s higher-end, high-current power amplifiers, rated at 350 watts per channel into 8 ohms and 450 watts per channel into 4 ohms. It can also be bridged for up to 900 watts mono.The amplifier is in excellent working condition and sounds great. Cosmetically it is also in excellent condition with almost no signs of normal use, as shown in the photos.Features include:* 350 watts x 2 into 8 ohms* 450 watts x 2 into 4 ohms* 900 watts bridged mono* Balanced XLR and unbalanced RCA inputs* Heavy-duty binding posts* 12V trigger input/output* Massive high-current power supply and heatsinks* Original Adcom factory box includedThis is a very large and heavy amplifier and the original factory packaging is a big plus for safe transport.
Is this priced to move, or is it asking for top-of-market money? At US$2,495, it lands above the US$2,359 75th percentile for recent comparable listings, so this reads as a bit ambitious rather than a bargain.
That said, this is a respected high-power stereo amp with real-current muscle, the kind of piece buyers want for difficult speakers and clean, authoritative bass. If the condition is genuinely excellent and it has been well cared for, the premium can make sense for a scarce, desirable example—but at this level I’d want proof of servicing history, a quiet channel balance, and confidence it’s fully healthy before paying up.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
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.
