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YOU ARE BIDDING ON A YAMAHA CR-820 STEREO RECEIVER FULLY SERVICED RECAPPED + LED'SEXCELLENT COSMETIC CONDITION LIGHTS UP NICELYEXCELLENT WORKING CONDITIONFULLY RE-CAPPED All electrolytic capacitors have been replaced with Elna and Nichicon Gold capacitors, DC offset and Bias have been adjusted to factory specs and all solder joints re-soldered, unit serviced to new conditionSHIPPING TO USA AND CANADA $65INTERNATIONAL BUYERS MUST EMAIL FOR SHIPPING COSTDescriptionAccurately matched performance specifications, functions and controls give overall performance which fully measures up to Yamaha's high tuner, pre and power amplifier standards.The CR-820 offers an extremely wide range of output powers for which both noise and distortion are below the rated value, for wide dynamic range in actual use.Both signal strength and centre-zero meters are provided, with the signal strength meter doubling as a signal quality meter on FM.SpecificationsTuning range: FM, MWPower output: 50 watts per channel into 8Ω (stereo)Frequency response: 20Hz to 20kHzTotal harmonic distortion: 0.02%Input sensitivity: 2mV (MM), 120mV (line)Signal to noise ratio: 78dB (MM), 97dB (line)Output: 120mV (line)Speaker load impedance: 4Ω (minimum)Semiconductors: 74 x transistors, 4 x IC, 1 x FET, 30 x diodes, 5 x zener diodes, 5 x LED, 4 x ceramic filtersDimensions: 508 x 167 x 395mmWeight: 13.1kg
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Yamaha stands as one of the world's most storied audio manufacturers, with roots extending far beyond consumer electronics. Founded in 1887 by Torakusu Yamaha in Hamamatsu, Japan, the company began as a reed organ manufacturer before expanding into pianos and eventually becoming a comprehensive musical instrument maker. This deep heritage in acoustics and materials science would prove foundational to its later audio ventures. The company operated under its original name, Nippon Gakki Co., Ltd., until 1987, when it was renamed Yamaha Corporation in honor of its centennial.
Yamaha's entry into high-fidelity audio proved transformative for the industry itself. In 1954, the company released the Yamaha Hi-Fi Player, widely recognized as the world's first audio component to bear the "Hi-Fi" designation in its name. The company subsequently built a comprehensive product portfolio spanning amplifiers—beginning with the acclaimed A-100 in 1960—speakers, turntables, and digital audio equipment. The NS-1000 speakers, introduced in 1974 with beryllium drivers, became iconic reference monitors. Yamaha also pioneered digital audio technology, shipping the world's first CD recorder in 1988.
Today, Yamaha occupies a distinctive position as a mid-to-high-end generalist rather than a niche specialist. The brand commands respect among both casual listeners and serious audiophiles, balancing accessibility with genuine engineering credibility. Its reputation rests on six decades of consistent innovation, proven reliability, and the unique advantage of applying musical instrument expertise to audio reproduction. Vintage Yamaha components remain highly sought by collectors, while current products maintain the brand's tradition of delivering performance and durability across multiple price tiers.
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