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Harman Kardon HK770 Thread | Audiokarma Home Audio Stereo Discussion Forums
Harman/Kardon HK 770 | Power Amplifiers | Amplifiers | Audio Devices | Spring Air
Vintage amplifiers that could challenge or approach current state of the art amplifiers | Page 30 | Audio Science Review (ASR) Forum
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Harman Kardon HK770 Home Stereo Vintage Power Amplifier with HK725 Control Preamplifier - YouTube
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