Search results

The Boogie Board

Help Support The Boogie Board:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
  1. S

    Major Mark IV lead channel issue

    Hi All, My Mark IV's lead channel has started being funny. There is a constant, noisy hum in the background when playing, and if I turn the master volume up past 2 it descends into a high-pitched squeal! I replaced the V5 preamp tube and it doesn't seem to have helped the problem. All the...
Back
Top