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This PS Audio 4.5 Preamp listed at US$450 is a genuine bargain, sitting well below the 25th percentile of US$512 from 73 recent comparable listings. While the median market price for this unit is US$1,275, you are securing a well-regarded preamp with integrated MM/MC phono stage for roughly half that value, making it an exceptional buying opportunity.
The PS Audio 4.5 is beloved for its clean, transparent sound and versatile phono stage that handles both moving magnet and moving coil cartridges effectively. At this price point, the value is amplified by the unit’s reputation for reliability and lack of common failure points, offering significant upside for a buyer seeking quality without overspending. Unless the condition is visibly questionable, this clean listing represents a smart entry into high-quality analog playback.
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.
See all PS Audio listings on RADAR.
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