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The asking price of £2,302 is ambitious, sitting clearly above the 75th percentile of £2,055 from your ground-truth comparable listings for this product in GBP. While the Pioneer M-90 is a well-regarded 1987 reference power amplifier known for exceptional synergy with the C90 or C73 preamps, this price exceeds the typical used market range in GBP. Given the unit’s age and the fact that some known examples have suffered from burnt lamps and distortion, paying well above the median warrants caution unless the condition is pristine and accessories are complete.
This amplifier remains a worthwhile buy for enthusiasts seeking vintage reference-grade performance, particularly if timed before replacement models become the norm. Its meaningful upside lies in its rarity, original-owner condition potential, and the unique sonic character it offers when paired correctly. However, at this price point, buyers must verify the absence of common failure points like channel distortion or lamp issues, and confirm included accessories to ensure the listing justifies the premium over fair-market values in GBP.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Pioneer traces its roots to 1937 in Tokyo, Japan, when founder Nozomu Matsumoto, inspired by the thrill of imported hi-fi speakers, developed the A-8 dynamic speaker and launched a radio and speaker repair shop. The business formalized as Fukuin Shokai Denki Seisakusho in 1938, evolving into Pioneer Corporation and embodying Matsumoto's philosophy of "Move the Heart and Touch the Soul" through audio innovation.
The brand excels across diverse hi-fi categories, pioneering Japan's first headphones in 1960 with the SE-1 and the world's first component-based stereo system in 1965 via the PSC-5A. Pioneer's portfolio spans amplifiers, speakers, turntables, and DACs, alongside landmark car audio advancements like the 1975 Supertuner-equipped stereo and the 1986 in-car CD player, blending home and automotive excellence.
Today, Pioneer holds a commanding mid-to-high-tier position in the market, revered for reliable, performance-driven gear that balances premium quality with accessibility. Its vintage components attract collectors, while current offerings appeal to discerning buyers seeking robust, innovative sound reproduction without boutique excess.
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DE
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For parts
