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Pioneer m22 Stereo Power Amplifier and Pioneer c21 Pre AmplifierrnSounds great! 30 watts per channel in full class A. Professionally serviced and cleaned last year.rnIn addition comes with two very rare spare Sanken transistors.rnrnThe C-21 is a stereo preamplifier composed of an equaliser amplifier and a flat amplifier and designed to display the ultimate in sound quality.rnrnIt is a streamlined model and so does not feature a tone control circuit or accessory circuitry.rnSpecificationsrnrnFrequency response: 10Hz to 100kHzrnTotal harmonic distortion: 0.005%rnInput sensitivity: 2.5mV (MM), 1... read more
This is an ambitious ask. Against your own recent GBP comparables, £2,150 sits well above the 75th percentile of £368 and far above the £110 median, so it’s priced at a clear premium rather than a bargain.
The upside is that this is a highly regarded vintage Pioneer pairing: the M22 is the kind of low-power, pure class-A amp people chase for its smooth, refined presentation, and the C21 is a tidy period match that completes the system well. If it’s genuinely clean, original, and fully working, that can justify some premium for a collector or a buyer wanting the set together. But at this level, condition, service history, and completeness matter a lot; missing caps, noisy controls, or any sign of drift would quickly make it hard to justify.
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.
