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hk6500

  1. dave_k

    Harman/Kardon HK6500 - hum, jumpy DC offset in Lch

    Hi, i recapped and restored my HK6500. I run only the power amplifier board, i eliminated all the other boards for now, they have their own problems. There is a little of parasitic hum in the speakers, i have tried to solve it but ran out of ideas. I replaced filter caps and reflown 75% of the...
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