Just picked up this amp at GC, and the issue started immediately. The tech at GC made it clear that "This is a tube amp and the pops and crackles you hear are normal; if you want quiet then don't buy a tube". As demonstrated in the video, it is clearly not a cable issue altough it may resemble that type of sound. I believe this noise has the potential to cause hearing damage without warning if you're nearby. Has anyone else ever experienced this issue? Thanks for any input.