Serviced 1982 HARMAN KARDON HK 725 Ultrawideband Preamplifier Photo #2197293 - UK Audio Mart
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 #450342 - US Audio Mart
Harman Kardon - HK 715 - HK 725 - HK 770 - Différents - Catawiki
Sony / HARMAN KARDON PREAMPLIFIER HK-725/SONY POWER AMPLIFIER-3200F at sahibinden.com - 1095751744
Harman/kardon HK 725 | Hifi-Wiki
Serviced 1982 HARMAN KARDON HK 725 Ultrawideband Preamplifier Photo #2197291 - Canuck Audio Mart
Harman Kardon hk770 / hk725 Demo After Restoration - YouTube