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*US* BUYERS IGNORE MESSAGE ABOVE SAYING THERE IS TARIFFS FOR THE BUYER THAT IS NOT TRUE! I PREPAY ALL US BUYER TARIFFS NO TARIFFS FOR YOU TO PAY, YOU PAY IS ONLY AT CHECKOUT NO HIDDEN FEES* SpecificationsPower output: 135 watts per channel into 8Ω (stereo)Surround output: 135 watts (front), 15 watts (rear)Frequency response: 10Hz to 70kHzTotal harmonic distortion: 0.9%Damping factor: 40Input sensitivity: 1VSignal to noise ratio: 115dBSpeaker load impedance: 8Ω to 16ΩDimensions: 430 X 130 X 345mmWeight: 9.1kgYear: 1991The Near Mint Full Fresh Service Sony TA-N511 Stereo Power Amplifier is a beast of a machine, delivering 150 watts per channel in stereo sound. With its black color and sleek design, this amplifier is perfect for any home audio setup. Made in Japan, this Sony model is known for its top-notch performance and durability. Its D amplifier class ensures high-quality sound output, making it a must-have for any audiophile looking to elevate their listening experience.
Sony’s TA-N511 is a respected late-’80s/early-’90s power amp: straightforward, muscular, and part of the brand’s better vintage separates era. At US$404, this asking price sits just above the US$401 75th percentile from the recent comparable data, so it reads as a touch ambitious rather than a bargain.
What makes it appealing is the solid 135W-per-channel output and the fact that these amps are still sought after by collectors and system builders who want a simple, dependable two-channel foundation. If it’s clean, fully working, and ideally includes the original trim or documentation, the premium can be defensible; if not, I’d want to see more proof of condition before paying above the market’s upper quartile.
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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