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Ultra rare Sony SS850 Mk II speakers in very good conditionA few chips I filled and touched up. They blend in well. A few rough spots.Fine sounding speakers.Years of manufacture: 1979 - 1982Dimensions: 26 x 17 1/2 x 11Weight: 42 lbsShipping to states in longitude of Colorado, farther west or rural parts of the Midwest will be a little more, billed separately
This is a buyer’s market for this category right now, and this asking price is ambitious. At US$750, it sits well above the 75th percentile of recent comps at US$193, versus a median of US$97 and a 25th percentile of US$59, so it would need exceptional originality, cosmetics, and local demand to make sense.
That said, classic Sony floorstanders can be worth paying up for when they’re clean and complete, especially if the drivers, surrounds, cabinets, and grilles are all in genuinely very good condition. The upside here is rarity and nostalgia value, but the buyer should want proof of condition and functionality before stretching to this level; otherwise, the price is carrying a lot of premium.
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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