So you just unboxed your new entertainment gear, hooked everything up, and you hear buzz, whine, hiss, chatter, or any number of other annoying noises that have been known to plague audio equipment.

Of all the annoyances that can afflict any audio/video home theater or even a simple stereo installation, the notorious “ground loop” may well be the most difficult and persistent one to track down ...

You've just connected your system and there's a buzz or hum that won't go away. You're running your gear through power conditioners and you're beating your head against the wall trying to figure out ...