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Harman Kardon A500 tube integrated amplifier without its original box for sale. Fully refurbished by our in-house technician! Classic design that delivers that magical sound: 4x 12AX7, 1x 12AU7, 4x 7355. Will ship the pieces that were replaced with the unit (last slide).Shipping in Canada & USA! Price quoted above for North America is a flat fee based on transport costs for the west coast provinces like British Columbia and California. If you are close to Montreal, please get in touch to get a custom shipping quote! All duties, brokerage or custom fees are the responsibility of the buyer.Accepting offers.If you have any questions, free to message or call: DanFR:EN
At US$902, this sits well above the obvious alternative in this bracket: most used integrated amps are clustered far lower, with a median around US$172 and even the 75th percentile only about US$323, so this is an ambitious ask rather than a casual buy. The price needs to be justified by real collector appeal, documented servicing, and truly clean presentation.
That said, a fully serviced vintage Harman Kardon tube integrated can be a very rewarding piece if you want that rich, easy-going tube character with enough pedigree to feel worth owning. The upside is in sound, rarity, and the value of proper restoration, but at this level I’d want proof of the work, replaced wear items, and strong cosmetics before calling it a fair buy.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Harman Kardon traces its origins to 1953, when Dr. Sidney Harman and Bernard Kardon, both engineers frustrated with conservative audio manufacturing at the David Bogen Company, invested $5,000 each to launch their venture in Westbury, New York. Their debut product, the Festival D1000, became the world's first compact AM/FM hi-fi receiver, blending breakthrough technology with sleek design to make high-fidelity sound accessible beyond technical enthusiasts. Pioneering innovations like the 1958 Festival TA230 stereo receiver, the 1959 Citation II ultra-wide bandwidth tube amplifier, and the 1970 CAD5 hi-fi cassette recorder with Dolby noise reduction cemented their legacy in simplifying premium audio for the home.
The brand focuses on integrated receivers, amplifiers, tuners, and speakers that emphasize performance, reliability, and elegant industrial design. Over decades, it expanded into home theater systems and automotive audio, powering systems in vehicles from Land Rover and BMW to Volvo and Polestar. While not delving into turntables, DACs, headphones, or cables, Harman Kardon prioritizes cohesive hi-fi components that deliver warm, detailed sound without unnecessary complexity.
Harman Kardon holds a solid mid-tier position in the hi-fi market, renowned among knowledgeable buyers for its enduring quality and value rather than ultra-high-end exotica or vintage collector status. Now part of Harman International, it appeals to discerning listeners seeking dependable, stylish gear that echoes its innovative heritage without commanding boutique premiums.
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