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Kenwood KA-8004Solid State Integrated Amplifier (1973-76)All Original. Sounds great. Very Clean. Everything seems to work. Untested.SpecificationsPower output: 55 watts per channel into 8Ω (stereo)Frequency response: 20Hz to 50kHzTotal harmonic distortion: 0.4%Damping factor: 30Input sensitivity: 2.5mV (mic), 2.5mV (MM), 150mV (line)Signal to noise ratio: 65dB (mic), 65dB (MM), 75dB (line)Output: 150mV (line), 50mV (DIN), 1V (Pre out)Speaker load impedance: 4Ω to 16ΩDimensions: 435 x 153 x 300mmWeight: 12.9kg This amplifier will be professionally packaged using heavy-duty, double-walled cardboard boxes, dense foam/bubble wrap, and immobilized to prevent shifting during transit."Disclaimer: Due to the age of this vintage electronic item, all original internal components, wiring, and capacitors are sold strictly 'AS-IS.' While the item may power on during limited testing, original 19X0s/19X0s parts are unstable, prone to sudden failure, and do not conform to modern safety or operational standards. There is no warranty expressed or implied. Buyer assumes all responsibility for any maintenance, repairs, or restoration required to bring this item to fully functioning condition. Sold for collector display, repair, or parts only."
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Kenwood traces its origins to December 21, 1946, when it was founded as Kasuga Radio Co. Ltd. in Komagane City, Nagano Prefecture, Japan, by a group of entrepreneurs led by William "Bill" Kasuga. Emerging in the postwar era, the company initially produced electronic components and amateur radio gear, renaming to Trio Corporation in 1960 before adopting the Kenwood name in 1986 to appeal to Western markets—blending "Ken," a familiar name across Japan and America, with "Wood" evoking durability and Hollywood. This rebranding fueled rapid international growth, starting with a U.S. office in Los Angeles County in 1963.
The brand built its legacy on high-quality audio and communications equipment, excelling in home hi-fi amplifiers like the acclaimed 1970 Supreme 1 multichannel model, receivers, tuners, and speakers with innovations such as polypropylene cones. Kenwood also pioneered car audio systems, including the first audio/video amplifier for home theater in 1981 and anti-theft cassette decks, alongside professional two-way radios and amateur transceivers. While maintaining roots in consumer electronics, it expanded into automotive infotainment.
Today, as part of JVCKENWOOD since the 2008 merger with JVC, Kenwood holds a solid mid-tier position in car audio and professional communications, prized by enthusiasts for reliable performance and aftermarket upgrades. Its vintage home hi-fi gear from the 1970s and 1980s commands respect among collectors for robust build and warm sound, though it no longer dominates pure hi-fi markets.
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