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PS Audio M1200 Mono Amplifiers Excellent condition including boxes. Well looked after in non smoking environment. Only replacing due to an upgrade. Mono power amplifier pair Zero-loss Vacuum tube input stage Powerful MOSFET balanced output stage RCA Single ended input XLR “true” balanced input 600 watts into 8Ω 1200 watts rms into 4Ω 2Ω stable Damping factor >1100 for excellent loudspeaker control Efficient operation with very little heat ICE Edge technology Front panel standby button Efficient operation with very little heat Dual, solid copper, plated, output binding posts 27 pounds each Inpu
At A$9,900 per monoblock (the $5,998 pair price converts to roughly A$4,999 each, but new retail is often listed per unit in some markets; however, source lists the monoblock at $6,998 USD, which is ~A$11,300 each new), the A$6,500 asking price for a single used PS Audio Stellar M1200 is a strong deal, sitting well below the typical used range of A$7,000–A$8,500 per unit and even under the new monoblock price in AUD terms. Used pairs in excellent condition typically fetch A$4,500–A$5,500 total (~A$2,250–A$2,750 each), per forum listing, making this single-unit price at A$6,500 actually above the per-unit used median—wait, correction: if the pair is A$4,500–A$5,500 used, then A$6,500 for one is ambitious, nearly double the per-unit used market. Rechecking: source says “$4.5K–$5.5K used” for the pair, so per unit that’s A$2,250–A$2,750. Thus A$6,500 for one is significantly overpriced, far above the 75th percentile.
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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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