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  1. Thread: speaker hum

    by pyonc
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    11,836

    Hi, glad to hear from you. Actually I don't...

    Hi, glad to hear from you.
    Actually I don't hear any hum or noise from the amp itself.
  2. Thread: speaker hum

    by pyonc
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    6
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    11,836

    Thanks for your kind reply. With no input, just...

    Thanks for your kind reply.
    With no input, just MC 30 & speakers:
    With GAIN button all the way down, I hear a little, but still audible hum.
    Clearly it's loud60 hz hum.
    Looks like I take it to...
  3. Thread: speaker hum

    by pyonc
    Replies
    6
    Views
    11,836

    speaker hum

    Currently McIntosh MC30 mono block hooked on to JBL Olympus, with McIntosh C22 (just serviced).
    Now, I hear audible hum from one of the speakers. 60Hz, I think.
    As this is the tube preamp, I...
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