I just got the latest Hifi News magazine and, as usual, the same ridiculously expensive mains cables etc are being pimped. I usually just skim over that crap, after admiring how pretty it is, but this ...

One explanation for the hum heard near transformers is that at low frequencies, like 60 Hz, the transformer core undergoes magnetetostriction. Magnetetostriction is the slight change in a ...

1. First, check the fuse and power supply. Take a look at the power section and identify the DC (direct current) voltages. Scour the area for a transformer, a big capacitor, or a rectifier combination ...

You've just connected your system and there's a buzz or hum that won't go away. You're running your gear through power conditioners and you're beating your head against the wall trying to figure out ...