So you decide to use more than one amp in your live (or studio) rig. You think to yourself that these two amps together will sound awesome and will be a perfect blend. So you plug your guitar into a splitter box, stereo effects unit or what your choice of split is and hook up to your two amps. Next you turn on the amps and expect the tone of the gods but instaed you have a loud annoyin ghum. What the?? In this case you may have a ground loop. What’s a ground loop and how do you fix it? Click here to read the article to find out the problem and the cure.