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Pair of PS Audio Delta 250 monoblock amplifiers in excellent conditionSome minor chipping that I’ll touch up. 250 watts at 8 ohmsAudiophile consensus on the legacy PS Audio Delta 250 monoblocks highlights their immense high-current power and stellar value. Reviewers praise these amplifiers for their visceral, deep bass control, dynamic neutrality, and ability to easily drive demanding, low-impedance speaker loads without breaking a sweat. [Widely regarded on forums like AudioKarma and Audiogon as some of the most severely undervalued and underestimated high-power amplifiers on the used market, the Delta 250s are frequently compared favorably against competing legacy amps from Bryston, Threshold, and Aragon. Users note that they deliver fantastic, uncompressed performance that rivals amplifiers costing three times as muchShipping to states in longitude of Colorado, farther west or rural parts of the Midwest will be a little more, billed separately
At US$1,750, this PS Audio Delta 250 monoblock is a clear bargain compared to the typical used range of US$2,200–US$2,800 for these amps, and it beats the obvious alternative of buying a pair of entry-level integrateds at this price point. You’re getting true high-current monoblock performance for well below the 25th percentile of market listings.
The Delta 250 is well-regarded for its massive power reserve, tight bass control, and ability to drive difficult speakers without strain, making it a favorite among enthusiasts who value dynamic punch and headroom. If this listing is from a known original owner with clean history and no missing accessories, it’s a strong buying opportunity—especially since these amps are no longer new and hold their value well when maintained.
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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