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This is a seller’s market at this asking price. Based on your own comparables, US$2,670 sits well above the 75th percentile of US$1,905, so it reads ambitious rather than fair; against a median of US$1,098, it’s a sizable premium.
The upside is that this is a respected Sony ES-era stereo power amp, a line known for solid build, good drive, and a presentation that still appeals to listeners who want grip and musicality rather than flash. If the unit is truly clean, original, and fully functional with no service history concerns, that can support some premium. But at US$2,670, I’d want unusually strong condition, proof of recent servicing, or truly exceptional provenance before calling it compelling.
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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