Vintage HARMAN KARDON HK-630 - Twin Power Receiver. Full Working. Serviced. Clean Photo #1650660 - US Audio Mart
Harman Kardon 630 - Mint!!!!!! - YouTube
Latest pickup. Harman Kardon 630 Twin Powered. Paid $125 and it just needed a new fuse for the right channel and a deoxit treatment on the controls. Probably paid too much, but
Harman Kardon 630 | Audiokarma Home Audio Stereo Discussion Forums
Harman Kardon HK 630 - Kondensatoren, Elektronik (Stereo&Surround) - HIFI-FORUM
Harman/Kardon AVR 630 Receiver At A Glance | Sound & Vision
Harman Kardon - HK-630 - Amplifier - Catawiki
Ac power filters, etc - integrated-amplifier - Hifi Inside