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Up for sale is a very clean and fully tested Onkyo M-5200 stereo power amplifier.Made in Japan. Delta Power Supply Circuit Design.This unit powers on properly, protection disengages normally, and both channels output clean audio. Front power indicator and speaker indicators working correctly.Condition:• Very clean cosmetic condition • Minimal surface wear consistent with light use • No dents • No major scratches • All original handles intact • Feet intact • Rear panel clean • Terminals solidSpecifications (factory):• Model: M-5200 • AC 120V 60Hz • 8 ohms minimum per speaker • Dual speaker outputs (A/B) • Headphone outputHeavy, well-built Japanese amplifier with classic late 80s / early 90s Onkyo build quality.Exactly as pictured. No modifications.Shipping will be professionally packed due to weight.
Timing isn’t a driver here: the Onkyo M-5200 is a solid, no-frills vintage stereo power amp from the late ’80s/early ’90s, not a rare flagship like the Integra M-508, so this listing’s value hinges on price and condition alone. At US$290, it sits exactly at the median, 25th percentile, and 75th percentile of recent comparable USD asking prices from our database—making it a fair used-market price, not a bargain but not ambitious either.
This amp is well-regarded for its clean, uncolored power delivery and rugged build; it handles demanding speakers without strain and pairs effortlessly with classic integrators. At a fair price, it’s a straightforward buying opportunity for someone who wants reliable, mid-tier vintage power without chasing collector-grade models. No red flags to raise unless the condition is unknown or accessories are missing—otherwise, it’s a sensible, honest deal for a working enthusiast’s rig.
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.
