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At US$400, this is well above the usual asking range for the model; against a recent median of US$300 and a 75th percentile of US$350, it reads ambitious rather than fair, especially with no condition details to justify the premium. Compared with the obvious alternative of a cleaner unit around the median, you’re paying a meaningful markup here.
That said, the TA-N511 is a solid late-era Sony power amp: 135 watts per channel, decent current on tap, and a reputation for straightforward, punchy drive. If it’s truly clean, original, and fully working, it can still be a satisfying buy for someone who wants an efficient vintage Sony with some muscle. At this price, though, I’d want proof of service history, quiet operation, and strong cosmetics before paying up.
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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