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Optimus Prime's Stereo Equipment Old School Audio - Old School Prices - Professionally Tested Product Description This Sony STR-DE685 5.1 channel A/V receiver has been fully tested and confirmed working. All channels produce clean audio output, the AM/FM tuner locks onto stations properly, and all inputs and outputs have been verified functional. Remote not included. Please review all photos for details. Highlights At A Glance ✔ Fully tested and verified ✔ Good cosmetic condition with minor wear from use ✔ Free 30-day returns ✔ Fast, insured shipping Testing & Verification All 5.1 channels were driven and verified for clean, distortion-free audio output at multiple volume levels. The AM/FM tuner was tested across the band and tunes and holds stations properly. All front, rear, and surround speaker outputs, as well as audio/video inputs, tone controls, balance, and the headphone jack were inspected and confirmed fully operational. Shipping & Returns Fast, insured shipping from Minnesota. Free 30-day returns. Item is carefully packaged for safe delivery.
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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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