If you’ve ever found yourself wondering how those tool magnetizer/demagnetizer gadgets worked, [Electromagnetic Videos] has produced a pretty succinct and informative video on the subject. The ...

Sick of that tired, rundown feeling every time you turn on the stereo? You’re suffering from a common cold-sounding system and you’re at your tweak’s end. Something has to be done about those anemic, ...

Q–I would appreciate your advice on do-it-yourself demagnetization of VCR heads. When picture and sound deterioration occurred with my 4-year-old VCR, I used a wet-method video head cleaner tape with ...