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Harman Kardon HK 680
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Harman/Kardon HK-680 Full Amplifier: Amazon.de: Electronics & Photo
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
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Harman/Kardon HK-680 Full Amplifier: Amazon.de: Electronics & Photo
Harman Kardon, HK-680i Digital Synthesized Stereo Receiver -SOLD – Holt Hill Audio
Used Harman Kardon HK 680 Receivers for Sale | HifiShark.com
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Harman Kardon HK680 Integrated Amplifier, Audio, Soundbars, Speakers & Amplifiers on Carousell
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