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hum fix

  1. B

    Fisher 880 Hum

    Recently picked up an 880, appears to be super clean and cared for but getting a hum when connecting RCA cable to the back of the unit to both the AUX and Tuner inputs. I have tried to isolate the ground on the plug as well as try out the "Ebtech Hum X - Plug-Style AC Voltage Ground Loop Hum...
  2. JB8

    120 Cylcle Hum After Recap - AKAI AA-6600 - Next steps?

    Team Audiokarma, I recently found this dude, likely paid too much for it but love the look and the wood case. Trying to tackle the 120 cycle hum I'm getting out of both channel across all functions and with volume at zero. Welp, I replaced a bunch of caps because, well, I wanted to! This is an...
    • JB8
    • Thread
    • 120 cycle hum akai hum hum fix recap receiver
    • Replies: 36
    • Forum: Solid State
  3. goldswimmerb

    McIntosh 250 buzzing/oscillating

    Hey guys, so I have an MC250 on my bench that emits a terrible buzzing sound out of one channel. It was brought to me as it allegedly had bad Capacitors, so I went through and Recapped it to no improvement. After the recap I noticed that once channel would occasionally oscillate and had what...
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