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Compared with a typical used integrated amp, US$150 is ambitious for this Sony: your recent comp set puts the market at US$67 median, with US$92 at the 75th percentile, so this listing is running well above the normal band. At that level, you’d want a very strong reason to pay up—something like verified servicing, unusually clean cosmetics, or a complete accessory bundle.
The upside is that Sony’s vintage integrated amps are usually worth chasing for solid build, sensible power, and easy day-to-day musicality rather than hype, so a clean one can still be a satisfying long-term piece. But because the price is above the upper quartile and the condition is unknown, I’d want careful checks on scratchy controls, protection relay behavior, and whether it’s been serviced before committing.
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.
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