HARMAN KARDON HK-630 twin Power Vintage receiver Photo #1934674 - US Audio Mart
Used Harman Kardon HK 630 Receivers for Sale | HifiShark.com
Harman Kardon / Harman Kardon HK 630 at sahibinden.com - 901431275
Harman Kardon HK630 Integrated Amplifiers
Used Harman Kardon HK 630 Receivers for Sale | HifiShark.com
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