Harman Kardon Vintage Stereo Receivers
Harman Kardon is credited with inventing the first commercial stereo receiver, and the company's models manufactured between 1968 and 1980 are vintage stereo receivers. A vintage Harman Kardon 430 Twin receiver made between 1976 and 1977 has dual mono technology.What is Harman Kardon's twin power design for receivers?
The brand's vintage receivers have separate transformers, rectifier circuits, and filter capacitors for each channel. The company manufactured four series of this type of stereo receivers, starting in 1973.
- Series 1 receivers, manufactured between 1973 and 1975, included the 630 and 930, which have analog black tuner displays and silver cases.
- Series 2, with the 430, 730, and the Citation, were made from 1976 to 1978.
- Series 3 was made from 1979 to 1980, including the 560 and 670 components.
- A final series of vintage twin power HK receivers, Series 4, was made from 1981 to 1983 with one version: the digital tuner display 680.
The HK 330 series was introduced in 1970 as a small, lightweight stereo receiver. The 330 series are not high watt-per-channel but offer hi-fi sound. The Harman Kardon 330B was introduced in 1973, and the vintage component features a silver case and black glass display. The Harman Kardon 330C, introduced a year after the 330B, is a similar receiver with slightly different styling. The 330 series of vintage Harmon Kardons, including the Harman Kardon 330B and 330C, weigh approximately 21 pounds and are compact, measuring in at approximately 15 inches in width, 13 inches in depth, and 4.5 inches in height.Are Harman Kardon HK670 stereo receivers for sale?
Manufactured between 1979 and 1981, the HK670 is a twin-powered stereo receiver with a rating of 60 watts-per-channel. The 670 was the company's last stereo receiver with an analog tuner. The 670 is larger and heavier than the smaller 330 series and has a black glass display and silver faceplate, knobs, and buttons.What is the vintage Harman Kardon Citation receiver?
Harman Kardon began making stereo components in the 1950s, and the HK Citation has been used as a name for several vintage sound components. The Harman Kardon Citation vintage stereo receivers were made between 1977 and 1978. The Citation audio component includes rosewood inlays and a 4-channel output intended for quadraphonic FM radio broadcasts.What is the Harman Kardon 700 series?
In the early 1980s, Harman Kardon's owner, Sidney Harman, was appointed to serve in President Jimmy Carter's cabinet as Deputy Secretary of Commerce. In order to take the political appointment, Harman sold the company. The 700 series of HK vintage stereo components were made by the Shin Shirasuna corporation in Japan, including the HK740 vintage audio receiver.Content provided for informational purposes only. eBay is not affiliated with or endorsed by Harmon Kardon.