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 ...

RAMSIS GIRGIS, MATS BERNESJÖ - Everyone is familiar with the characteristic hum that transformers produce. In sparsely populated areas, this drone will disturb few, but in urban areas it can be of ...

It may have taken 18 months, but the state Public Utilities Commission has finally pulled the plug on a humming backyard electric transformer that a Cerritos man says kept him awake at night. The ...

Rare Kashmir moment: angry women of a village block the Srinagar-Leh highway with a humble demand, a power transformer. Kashmiris are raising questions they never asked before. A report by Neelesh ...

While switch-mode power supplies operate at frequencies well above the range of human hearing, they can produce audible noise under certain load conditions. Potential sources of audible noise can vary ...