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  1. J

    Is there a fix yet for the MT15 noise/hum?

    so I tried a preamp tube swap out as suggested in the forums and put a mullard at7 in the pi position and a Jan GE 5751 in the V3 position. the only change was a reduction in gain not a reduction in the hum noise, which I find is more prevalent when I am connected to the effects loop. thinking...
  2. J

    Is there a fix yet for the MT15 noise/hum?

    I use an ISP Decimator II GString to help reduce the hum noise, which is effective but chokes the sustain a little. My lipl send and return runs through it as well as direct to the front input. Hope this info helps some.
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