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VINTAGE SONY MUSIC STEREO AMPLIFIER/MADE IN JAPAN__________________________________________________________________VIDEO LINK OF IT WORKING BELOW FEW MARKS ON TOP OF CASING BUT FRONT FACE OF UNIT IS 8 TO 9 OUT OF 10 240V BUT WORKS OVERSEAS ALSO 100V TO 240VCOMES WITH POWER CORD CAN POST OR PICK UP IS AVAILABLE/IT IS HEAVY OVER 13KG PACKEDCHECK OUT MY OTHER AUDIO ITEMS!SpecificationsPower output: 50 watts per channel into 8Ω (stereo)Frequency response: 10Hz to 200kHzTotal harmonic distortion: 0.05%Input sensitivity: 1.2mV (MM), 130mV (DIN), 130mV (line)Signal to noise ratio: 70dB (MM), 90dB (DIN), 90dB (line)Output: 150mV (line), 30mV (DIN), 1V (Pre out)Speaker load impedance: 4Ω (minimum)Dimensions: 400 x 149 x 327mmWeight: 13kg
This looks like an ordinary vintage Sony integrated amp, with the main appeal being the Japan-built era and the usual phono/AUX flexibility that keeps these pieces useful. At US$1,120, it is far above the typical used market for comparable listings: well over the US$229 75th percentile and miles past the US$115 median, so this is an ambitious ask rather than a fair buy.
What would justify it is a genuinely top-condition example with strong cosmetics, fully serviced internals, and documentation or rare regional provenance; otherwise the buyer is paying a premium mostly for the badge and presentation. These old Sony amps can sound smooth and musical and make a satisfying daily driver, but at this price the burden is on the seller to prove originality, recent service, and flawless operation.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Sony emerged from the ruins of post-World War II Japan, founded on May 7, 1946, by Masaru Ibuka and Akio Morita as Tokyo Tsushin Kogyo K.K. in Tokyo's Nihonbashi district. Starting with radio repairs and Japan's first magnetic tape recorder, the duo secured transistor licensing from Bell Labs, pioneering the TR-55 transistor radio in 1955. Renamed Sony Corporation in 1958—from the Latin "sonus" for sound—the brand symbolized Japan's ascent from cheap imitations to innovative leadership, fueled by Ibuka's engineering prowess and Morita's global marketing vision.
Sony's hi-fi legacy spans headphones, amplifiers, speakers, turntables, and DACs, alongside landmark formats like the Compact Disc in 1982 and Blu-ray. Iconic products include the Walkman for portable audio revolution and Trinitron televisions, blending consumer accessibility with cutting-edge tech. Today, offerings like the Signature Series headphones and ES amplifiers target discerning listeners seeking refined soundstaging and dynamic range.
Positioned as a mid-to-high-end powerhouse, Sony commands respect among knowledgeable buyers for blending mass-market reliability with premium performance, outpacing many pure audiophile brands in innovation and value. Far from vintage relic or niche boutique, it dominates with forward-thinking engineering, holding strong market share in headphones and streaming ecosystems.
See all Sony listings on RADAR.
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