Originally Posted by: PRSplaya.... If the amp is the culprit, how did the current get all the way to the other end of the mic cord, when nothing was touching the amp?

[font=trebuchet ms][u]Nothing[/u]?

If you were touching your guitar strings (which are connected to the cord shield via the bridge), when you touched the grounded mic cable sleeve you were taking your life in your hands!

There is no excuse for running 2-conductor AC cords.

None.

Replace it.[/font]