I have a Mkii 212 which I love, but like many, I have issues if the models have the channel volume below 50% or so.  Some people experience a dropout of volume...I experience a "POP".  However, if I have the channel volume at 50%, the overall volume is SO LOUD...unless I'm playing in a big room, it's unbearable.  Has anybody found a way to work around this by possibly adjusting the master volume potentiometer, software, or tubes to bring the overall volume down just a bit so we can run the required 50% channel volume to eliminate the pop or dropout? 
  
Thanks.