I recently set up a cheap little A/V system with parts my friend gave me. It sounds pretty good, but when I attach my VCR (still have one...) to the input on my Sony TA-AX380 control amp, I get a ...

So in my car I think i have a ground loop problem, but im not positive. Its sort of a cyclical noise, so its quiet, then buzzes, quiet, then buzzes, etc. Its not terribly bad, I really dont notice it ...

Foresight has introduced the GB001 Ground Loop Isolator. The GB001 is a passive device which can reduce Ground Loop Interference with CCTV Video signals and can be easily installed in a new or add to ...

If you have connected your computer to your home entertainment system and heard a speaker hum, you may need to get rid of background interference caused by differences in electrical resistance between ...

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 ...

How optical isolation works. Source: B&B Electronics. Some of you may know that I moonlight as the guitar player in a hard-edged blues/rock band. Playing at the various clubs around town, I run into ...

To maximize the quality of your audio when you’re producing a live event, it’s important to assess your signal carefully all the way through the chain, as I discussed in my May/June 2015 article How ...