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Condition: Used. Working condition is based on the source description; cosmetic condition, included accessories, and signs of use are shown in the photos.Technical Info:Model: Harman Kardon HK-6500Device type: Audio amplifierOutput power: 2 x 70/85 WSpeaker impedance: 4–16 OhmPhono stage: MM/MCEqualizer input: YesFully tested. In working condition.Cosmetic condition as in the photos.30 days Global OPT Warranty.🎙️ Time That Still Sounds AliveHarman Kardon HK-6500 is a vintage transistor Hi-Fi amplifier built for listeners who value real controls, solid construction, and engaging analog-era sound. This model is described with a BANDO power transformer, MATSUSHITA capacitors with total capacity of 26000 μF, and large TOSHIBA output transistors.👤 If you are reading this, you probably understandThis is the kind of amplifier that fits naturally into a serious vintage audio system. The built-in MM/MC phono stage makes it especially appealing for vinyl setups, while the equalizer input adds flexibility for system matching.🎧 What you get beyond the soundYou get a classic Harman Kardon integrated-style amplifier experience with real speaker terminals, useful connectivity, and a layout made for hands-on listening. It is equally suitable as the heart of a vintage stereo system or as a visually strong standalone component in an analog-focused setup.This unit has been selected and presented with clear core details so the buyer can understand what is being purchased. For vintage audio buyers, confirmed working condition and honest presentation remain especially important.🧠 Collector’s / Model NoteThe HK-6500 belongs to the period when solid-state Hi-Fi amplifiers emphasized strong power supplies, practical connectivity, and compatibility with traditional stereo speaker systems. Features such as MM/MC phono support and substantial internal components reflect a design aimed at versatile home audio use.📦 Dimensions & Weight:Weight: 10 kgWeight in pounds: approx. 22.0 lbs⚙️ Technical Information:Model: Harman Kardon HK-6500Weight note: about 10 kg
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📝 Product Description
The first image is an AI-generated promotional visual and may differ from the actual item.
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Demonstration tapes, reels, records, or accessories shown for demonstration purposes are not included unless explicitly stated.
Please check the voltage requirements in your area; Adapter not included.
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Includes a 30-day global OPT warranty.
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The Harman Kardon HK 6500 is a beloved legacy amp known for warm, detailed sound and 70 watts per channel of solid grunt. The asking price of US$463 is ambitious, clearly exceeding the 75th percentile of US$356 from your ground truth data, and sits well above the median of US$250. This is not a bargain; it is a premium price for a used unit, likely reflecting a clean condition or recent restoration rather than typical market value.
Despite the high cost, the HK 6500 remains a worthwhile buy if the listing includes original accessories, a recent recap, or is in original-owner condition. Its low negative feedback design ensures stability and musicality that many modern amps lack, and it pairs effortlessly with a wide range of speakers. If the seller can confirm top-tier electrical health and cosmetic care, this could still be a fair opportunity for a hi-fi enthusiast seeking classic tone, though patience for a lower-priced alternative is advisable.
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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