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If you're looking, you know about this incredible receiver. This unit is in excellent physical and working condition for a 1970s receiver. All original components aside from LED bulb/stereo light/dial pointer upgrades for longevity and new/modern 25 turn (blue, visible on the close-up internal photo)bias trim pots to replace the unreliable often failing original trim pots for setting the bias, which is dialed to spec. All pots treated with deoxit f5, switches deoxit d5. All functions/inputs/outputs tested and working as expected, clean warm sound across all functions. There are a few small imperfections at the aluminum face left and right corners as seen in close ups and light scratches on the cover. Please review all photos. Am antenna has a chip out of its tip see photo, doesn't impact functionality. If you are looking, you likely know about the impressive build quality and twin powered design to enhance stereo sound and imagining. There are several YouTube videos if you would like to learn more about what makes Harman Kardon receivers of this era special. I have extensive experience shipping vintage stereo equipment, this will be adequately packaged to ensure safe arrival as pictured. I will also insure for peace of mind and a smooth transaction experience should anything out of the ordinary happen in shipping.The Harman Kardon 730 is a highly regarded vintage "Twin Powered" stereo receiver produced between 1975 and 1978, known for its warm sound, excellent phono stage, and robust build quality. Rated at 40 watts per channel (RMS) into 8 ohms, it features a dual mono design with separate power supplies, commonly sought after for its exceptional performance.
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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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