Harman / Kardon HK 430 Receiver Vintage Audio Repair

Harman Kardon 430. Harman/Kardon 430 receiver with original box Photo 3924662 UK The fourth era of Harman Kardon's solid state stereo receivers were the Twin Powered series: This thread is a guide to those models, their specs, and pointers to schematics and restoration threads for each. Harman-Kardon reserves the right to substitute equivalent parts for those originally installed in this chassis

Up for sale here a real classic from the 1970s, a Harman Kardon 430 twin powered receiver The Harman Kardon 430 Twin is a classic receiver, revered for its dual-mono design, delivering clean, balanced sound with excellent channel separation

Harman/Kardon 430 receiver with original box Photo 3924660 Aussie

I have gone through and thoroughly cleaned (deoxed) & tested all buttons, controls, and. Harman Kardon specs the amplifier at 25 watts per channel at 0.3% harmonic distortion from 20Hz to 20,000Hz with both channels driving 8 ohms My results : Under the same conditions, I measured 28 watts per channel (so modestly beating spec) Here is the sequence of Harman Kardon's release of the 430 through 930 receivers: Series 1 (1973-75)

AMPLIFICATEUR HARMAN KARDON 430 TWIN POWERED / VINTAGE AMPLIFIER HIFI. All parts should be ordered from Harman-Kardon, 55 Ames Court, Plainview, L.I., N.Y I have gone through and thoroughly cleaned (deoxed) & tested all buttons, controls, and.

Harman Kardon 430 Twin Receiver Photo 553442 US Audio Mart. The 430 puts out 25 watts per channel and has a simple yet elegant design that features some slight changes over the earlier 630 and 930 Up for sale here a real classic from the 1970s, a Harman Kardon 430 twin powered receiver