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 ...

You can probably eliminate that hum in your PC's speakers with an accessory like the Xitel Ground Loop Isolator, which breaks the grounding between your computer and your audio equipment without ...