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Mesa M9 Carbine volume problem

Discussion in 'Amps [BG]' started by Monotheist, Dec 20, 2012.

  1. Monotheist

    Monotheist

    Joined:
    Nov 24, 2010
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    Hey guys, again I come to you for help.

    Last night at band practice I had issues with the volume on my M9.

    I was turning it up and nothing was changing. Just a SLIGHT increase in volume but barely noticeable.

    This is the second time this has happened. I noticed at the end of a jam last month but the following day it was fine. It's been good up until last night.

    Last night I bypassed the preamp by running my Sansamp in the return. Didn't change anything.

    Any idea what it could be?
  2. Randyt

    Randyt Supporting Member

    Joined:
    Jul 21, 2010
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    Disclosures:
    Endorsing Artist: Adult Pampers
    My M6 did something very similar...ended up being my preamp tube..12ax7....but hey ..just my experience.
  3. Monotheist

    Monotheist

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    Nov 24, 2010
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    Cool thanks. I'll take a look at that. I have an extra I can swap.
  4. RickenBoogie

    RickenBoogie

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    Jul 22, 2007
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    What speaker cab are we talking about?
  5. Monotheist

    Monotheist

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    Nov 24, 2010
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    last night was a crappy beringher cab. the previous time it was a mesa ph412
  6. bassboysam

    bassboysam Supporting Member

    Joined:
    Apr 26, 2001
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    20
    When the problem comes and goes the first thing to check is the tube(s). at least in my experience.
  7. Monotheist

    Monotheist

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    Nov 24, 2010
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    i'll swap it and see what happens. thanks man

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