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This is well below the going used market: at US$550, it sits under the US$821 25th percentile and far beneath the US$1,285 median, which makes it a strong bargain if it’s functioning properly. For a stereo power amp, that’s the kind of price that usually leaves room for a little service risk and still feels like a win.
What makes it appealing is the usual PS Audio draw: serious current delivery, a no-nonsense high-power solid-state platform, and a reputation for sounding clean, muscular, and controlled rather than flashy. If the cosmetics are decent and it’s been well cared for, this is the sort of amp that can be a very rewarding value buy. At this price, I’d mainly want confirmation it powers up cleanly, stays stable under load, and hasn’t had any abuse or channel imbalance.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
PS Audio, a pioneering American hi-fi brand, traces its roots to 1973 when co-founder Paul McGowan launched the company in California alongside Stan Warren. Emerging from the analog golden age, it debuted with a standalone phono preamplifier, reflecting McGowan's early passion for vinyl playback honed through radio station connections and encounters with audio enthusiasts. The brand quickly evolved, embracing digital audio in the 1980s by releasing one of the first high-end CD players, the PS Audio CD-1, soon after Philips and Sony introduced the format.
Today, PS Audio specializes in premium electronics, including power amplifiers, preamplifiers, digital-to-analog converters (DACs), and integrated amplifiers, with a hallmark focus on power conditioning via innovative AC regenerators known as Power Plants. These devices, born from Stan Warren's mid-1980s discovery that oversized transformers enhance audio performance, remain a cornerstone. The lineup also encompasses digital lenses for refining streaming and disc playback, alongside select analog components, though it eschews speakers, headphones, turntables, or cables.
Positioned firmly in the high-end market, PS Audio commands respect among discerning audiophiles for its bold engineering and unwavering pursuit of musical purity. Celebrating 50 years in 2023, it occupies a niche as an innovator rather than a mass-market player, appealing to buyers who prioritize transformative power delivery and digital refinement in sophisticated systems.
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