Absolutely cannot believe my luck! Found this Harmon Kardon HK6100 for free on Facebook and picked it up off someone's lawn! Gave it a good clean and sounds terrific! : r/vinyl
AMPLIFICATEUR HARMAN KARDON HK6100 révisé par un professionnel EUR 190,00 - PicClick FR
Harman Kardon HK-6100 Ampli | Acheter sur Ricardo
Used Harman Kardon HK 6100 Integrated amplifiers for Sale | HifiShark.com
Amplificateur harman/kardon hk6100 | Acheter sur Ricardo
HARMAN KARDON HK 6100 + Manuale PERFETTO EUR 274,99 - PicClick IT
Harman/Kardon HK6300 No Sound On Both Outputs FIX REPAIR (valid also HK6100 HK6200 HK6350R see note) - YouTube
Harman/Kardon HK 6100 | Integrated Amplifiers | Amplifiers | Audio Devices | Spring Air