Chad Weaver, guitar tech for Brad Paisley, gives Premier Guitar a rig rundown. The guitar rig includes two RJM Music Effect Gizmo’s (function (loop) switchers). You’ll see the RJM Effect Gizmos about 5 min 19 seconds into the video.

When building a rack-based guitar rig, it’s more likely than not you’re going to end up with a ground loop or two, which results in a lot of annoying hum. There’s always a solution to these problems, but sometimes tracking them down can take a while.   One frequent cause of ground loops is the [...]