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The age matters: this is vintage Onkyo power-amplifier territory, with no modern replacement equivalent and model identification still somewhat uncertain from the title alone. At US$125, though, it is a strong deal against the 779-listing sample: below the US$171 median and comfortably under the US$110 25th-percentile threshold? Actually, it sits above that lower quartile, so call it a good-value price rather than a bargain; it remains well below the US$345 75th percentile.
The Delta Power Supply design is the worthwhile part: these Onkyo amps are generally respected for substantial current delivery, clean power, and sensible engineering rather than boutique mystique. The price leaves room for a worthwhile vintage purchase, provided the unit is confirmed operational and the exact model, output rating, and voltage match your system. Ask for a powered-up photo or test details, and verify speaker terminals and protection circuitry before buying; at this age, those specifics matter more than the Delta badge.
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.
