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This is a buyer’s market for this model, and £55 looks like a strong deal versus the recent used spread: it sits below the £60 25th percentile and well under the £88 median. At this level, the asking price is priced to move rather than squeeze every last pound.
The appeal here is straightforward: the A-9155 is a respected, no-nonsense integrated amp that usually wins on clean, unfussy sound and solid day-to-day usability rather than flash. If it’s functioning properly, this is the kind of modestly priced amplifier that makes a sensible heart of a secondary system or a tidy upgrade from budget receivers. With condition marked unknown, the main thing to confirm is basic health—no noisy controls, relay issues, or channel imbalance—but the price leaves room for a little caution.
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.
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