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At £140, this looks like a fair-to-good ask for an A-9511 if it’s clean and working properly; it’s not a steal, but it’s comfortably in the range where a decent example makes sense for a vintage integrated of this spec. The model is a late-1990s Onkyo with solid power on paper and a well-liked, no-nonsense feature set, so the price is reasonable rather than ambitious if the cosmetics and controls are in order.
What makes it worthwhile is the combination of 80 W into 8 ohms, two speaker outputs, source direct, and that straightforward, muscular Onkyo house sound that pairs well with lots of speakers. If the listing includes the remote and original manual, that adds value; the only real caution is age-related wear, so at this price I’d want confirmation that both channels are quiet, switches are clean, and all inputs work.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Onkyo traces its roots to postwar Japan, founded in 1946 in Osaka by Takeshi Goda, an engineer at Matsushita Electric who envisioned high-quality Japanese loudspeakers. Initially established as Osaka Denki Onkyo K.K., the company began production in 1948 with the acclaimed ED-100 speaker featuring a 25 cm driver, quickly building a reputation through LP concerts and innovative designs that resonated with audiophiles.
The brand excels in premium home audio, renowned for AV receivers, hi-fi amplifiers, and surround sound speakers that deliver exceptional clarity and power. Its portfolio spans turntables, DACs, headphones, and cables, bolstered by acquisitions like Pioneer's home electronics division in 2015, enabling cutting-edge integrations such as internet radio and high-resolution streaming.
Onkyo holds a solid mid-tier position in the hi-fi market, prized by discerning buyers for reliable performance and value rather than ultra-high-end exotica. Despite bankruptcy challenges in the late 2010s, its revival under new ownership preserves a legacy of technological innovation and pure sound enjoyment, appealing to both vintage enthusiasts and modern home cinema setups.
See all Onkyo listings on RADAR.
