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 ...

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 ...

Grounding of electrical systems is an often forgotten yet important design consideration. Issues with proper grounding can be complicated, confusing, and downright frustrating to solve. So much so ...

Grounding of electrical systems is an often forgotten yet important design consideration. Issues with proper grounding can be complicated, confusing, and downright frustrating to solve. So much so ...

New Orleans, LA — May 3, 2007 – Richard Gray’s Power Company (RGPC) announces the availability of its Ground Loop Eliminator, an HD/Digital compatible product that safely removes Ground Loops from the ...

Has anyone had any experience using HDMI fiber optic converters/extenders? I have a weird ground loop problem in my system which I traced back to my HTPC. I get hum whenever I join the grounds between ...

Your new plasma HDTV is beautifully hung on the wall. The cables are run behind the drywall and under the floor to an equipment rack built into an unused closet space. The speakers are a recessed bit ...

The ultimate goal of sound and image reproduction is realism — the kind that creates suspension of disbelief in the listener or viewer. And nothing breaks the spell like background buzz during a quiet ...

Some of the simplest solutions to annoying hum in computer speakers involves just checking all the connections and making sure everything is plugged in tight. Audio cable transmits sound as ...

One of the most difficult types of power problem to understand, diagnose, and resolve is the Ground Loop. All types of equipment are susceptible to this type of problem: medical, industrial, and data ...