Harman Kardon hk770 / hk725 Demo After Restoration - YouTube
stereonomono - Hi Fi Compendium - 13 years on-line: Harman/Kardon HK 725 pre-amplifier
Anyone out there familiar with this stack? Im contemplating putting it up for sale, but not sure if this woukd be a desired item or even what could it go for. Any
Harman Kardon HK 770 power amp / HK 725 preamp/ HK 715 Tuner Photo #450341 - US Audio Mart