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The PS Audio Stellar S300 is a respected entry-level stereo power amplifier known for its surprising musicality and robust 140Wpc into 8Ω output, making it a worthy upgrade from integrateds. At £675, this asking price is a strong bargain, sitting well below the 25th percentile (£787) of the recent GBP comparable listings where the median is £963. This represents genuine value, significantly undercutting the typical used market range for this well-loved model.
This amplifier earns its reputation by delivering clean, dynamic sound with a modern Class D ICE module while maintaining an analog warmth via PS Audio’s exclusive Analog Cell input stage. For a fellow enthusiast, this clean listing at a rock-bottom price is a prime buying opportunity, offering the chance to own a versatile, dual-mono design that powers harder-to-drive speakers effectively. With no material caveats at this price point, it is an excellent entry into high-quality separates.
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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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