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SONY TA-N55ES PAIR OF MONO MONOBLOCK STEREO ENDS WITH WOODEN SIDESGREAT WORKING CONDITION SLIGHT IMPERFECTIONS ON WOODEN SIDE PANELS NO PACKAGING AND DOCUMENTS OPERATION 220 VOLTFOR SHIPMENTS OUTSIDE EUROPEAN UNION THERE ARE ADDITIONAL CUSTOMS DUTIES
It's a seller's market for vintage Sony ES-series power amps right now, with demand outpacing supply for well-kept '90s models like the TA-N55ES. At USD1,594, this asking price sits ambitiously above the typical used range of USD623–1,270 (median USD946 from recent comps), especially given the vague condition—could be fair for mint with original box, but leans steep without proof.
Before biting, verify the output transistors (common failure in these high-current beasts after 30 years) and test for channel imbalance or hum under load. Insist on photos of the interior boards, service history, and full accessories like the manual and power cord; skip if it's modded without disclosure.
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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