Original Harman Kardon HK6100 Amplifier Service Manual | eBay
rawe on X: "Looks like I fixed just another classic 80s stereo amplifier ( harman/kardon HK6100 ) #repair #electronics #hifi #diy https://t.co/TuXakaGESZ" / X
Harman/Kardon HK6300 No Sound On Both Outputs FIX REPAIR (valid also HK6100 HK6200 HK6350R see note) - YouTube