Kramer Electronics has introduced four isolation transformer models — the TR-1, TR-1A, TR-2A and TR-3 — that eliminate noise in AV signals caused by ground loop problems. In many video and audio ...

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 ...