RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Against a typical used Pioneer M-90 asking price around US$1,418, this US$50 listing is a screaming bargain and sits far below even the low end of the recent spread. At that price, the obvious alternative is a much pricier serviced example, so this is the kind of deal that can disappear fast if it’s real and complete.
The M-90 is a respected 200-watt-per-channel Pioneer power amp with serious grip, big-sound authority, and the sort of build that still attracts collectors and vinyl-era hi-fi fans. If the unit powers up cleanly and hasn’t been butchered, the upside is huge; just make sure the seller can confirm basic operation, and that the faceplate, knobs, and terminals are intact, because at US$50 you’re really buying on faith and the chance to sort out a classic.
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.
See all Pioneer listings on RADAR.
Kleinanzeigen
Excellent
eBay UK
GB
Reverb
eBay Australia
AU
Kleinanzeigen
Excellent
DE
eBay UK
