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Condition is unknown, so £115 looks solidly fair-to-good rather than a steal: it sits below the £145 median for recent comparable GBP listings, though not down in true bargain territory under the £74 lower quartile. For a working Pioneer integrated amp, that’s a sensible buy if the presentation is clean and the price reflects a straightforward, no-drama example.
The A-400 has a good reputation as a punchy, musical older integrated with enough drive to make sensible speakers wake up, and it’s the sort of vintage Pioneer that still has enthusiast appeal without needing to be exotic. The upside here is value: if it’s genuinely working, quiet, and unmolested, you’re getting a classic piece at a reasonable entry point. Just make sure the seller can confirm stable operation on both channels, clean controls, and no relay or scratchy-pot issues.
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.
