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  • February 17, 2009 at 7:19 am in reply to: Another question about the 12ay7 mic pre #93423
    bigmahon
    Participant

    Anyone?

    February 14, 2009 at 4:32 pm in reply to: Hum from brand new 12ay7 mic pre #93304
    bigmahon
    Participant

    Hi again,

    The problem appears to be with the 1/4″ out jack. When I used the XLR out the unit did not hum.

    Do you recommend using the XLR out to 1/4″ in on the back of my MOTU interface?

    February 13, 2009 at 7:49 am in reply to: Hum from brand new 12ay7 mic pre #93239
    bigmahon
    Participant

    Couple of things. I pulled both tubes one at a time, and the hum stopped each time. In other words, with only one tube in (regardless which one) there was no hum. I also noticed that you said “one of the 12ay7’s”. I have 1 12ay7 and 1 12au7. This shouldn’t matter though, right?

    Thanks again for your continued support

    February 12, 2009 at 11:45 pm in reply to: Hum from brand new 12ay7 mic pre #93224
    bigmahon
    Participant

    Thanks for the speedy reply. This may be a stupid question, but are you saying pull out and re-insert each tube one at a time?

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Viewing 4 posts - 1 through 4 (of 4 total)