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At A$980, this is well above the typical used market for comparable AUD listings, where the median is A$161 and even the 75th percentile is only A$315, so the asking price looks ambitious rather than fair. Unless this particular unit has exceptional provenance, recent servicing, or unusually complete accessories, it is priced far past what most buyers are paying for similar gear.
That said, the TA-N9000ES is a serious multi-channel Sony power amp and part of the better-regarded ES-era lineup, so it can still make sense for someone building a matching vintage home-theater or multi-amp setup. The confirmed operation and free shipping help, but at this price the buyer should be looking for clear evidence of condition, channel balance, and any service history before treating it as a true value buy.
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.
