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The timing matters here because this is an older 1980s/early-90s ES-era digital-processor preamp, not a current surround piece, so value is mostly about condition, completeness, and whether you want the specific vintage Sony sound and feature set. At US$400, it’s well above the recent comparable median of US$116 and even above the US$235 75th percentile, so this is an ambitious ask, not a fair-market bargain.
That said, it’s a genuinely interesting buy if you want a well-regarded Sony ES control amp with built-in DSP, Dolby Pro Logic-era flexibility, and the kind of build quality that still appeals to collectors. A clean, working example with the remote is meaningfully better than average, since these vintage pieces are often bought for restoration or display as much as daily use. At this price, I’d want strong confidence in full functionality, quiet controls, and intact accessories; otherwise the premium is hard to justify.
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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