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Condition is unknown, so the £150 ask is best read against the market: it sits above the £86 median and well below the £174 75th percentile, so it’s a fair-to-slightly-ambitious listing rather than a bargain. It is not cheap enough to be an automatic snap-up, but it is still inside the upper-middle of recent comps, which is reasonable if the unit is genuinely clean and fully working.
This is a solid late-era Sony integrated from the QS range, and that generally means dependable build, decent power on tap, and the sort of straightforward, unfussy sound that makes these amps easy to live with. At £150, the upside is strongest if it’s been well cared for, all controls are quiet, and it includes the right extras; if it’s unserviced or condition is vague, I’d want to negotiate a bit because age-related switch and pot issues are the main thing to check before paying near the top of the usual range.
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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