![Basically, all Harman Kardon amplifiers (including subwoofers) show power supply issues after a few years | The Wiert Corner - irregular stream of stuff Basically, all Harman Kardon amplifiers (including subwoofers) show power supply issues after a few years | The Wiert Corner - irregular stream of stuff](https://i.ytimg.com/vi/b_6N1IPZyQM/maxresdefault.jpg)
Basically, all Harman Kardon amplifiers (including subwoofers) show power supply issues after a few years | The Wiert Corner - irregular stream of stuff
![Harman/Kardon HK6300 No Sound On Both Outputs FIX REPAIR (valid also HK6100 HK6200 HK6350R see note) - YouTube Harman/Kardon HK6300 No Sound On Both Outputs FIX REPAIR (valid also HK6100 HK6200 HK6350R see note) - YouTube](https://i.ytimg.com/vi/fooCNiGnPTA/hqdefault.jpg)
Harman/Kardon HK6300 No Sound On Both Outputs FIX REPAIR (valid also HK6100 HK6200 HK6350R see note) - YouTube
![Basically, all Harman Kardon amplifiers (including subwoofers) show power supply issues after a few years | The Wiert Corner - irregular stream of stuff Basically, all Harman Kardon amplifiers (including subwoofers) show power supply issues after a few years | The Wiert Corner - irregular stream of stuff](https://i.ytimg.com/vi/HTNC6UvW0NI/maxresdefault.jpg)