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Used Harman Kardon HK 680 Receivers for Sale | HifiShark.com
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Used harman kardon 680 for Sale | HifiShark.com
Joining the club with a cheap setup. Infinity Reference 60s, refoamed and reconditioned crossovers. Hooked up to newly acquired Harman Kardon HK680. The Technics CH900 is my old system, still using it