Originally Posted by Simon
Robert:

I 'picked on' power cables because I can see no objective reason (given basic adherence to the laws of physics) why they would make a difference, nor, frankly, have I ever heard one. I don't completely dismiss the experiences of others, but, like bigfoot, I'm skeptical.
Here is an objective explanation as to how a power cord can make a difference. Ferrite material used in power cables has high impedance at a specific frequency. The result is that the cable rejects that frequency only (noise) and passes others (60Hz). So if you have noise in your application at the frequency that is being filtered by a particular power cord then you may hear a difference, but only if your power supply is not already filtering it out.

DSP6000, DSP5200, DSP5500VC, P300W, SW1600, G68, 568.2, HD621, G57, G55, Oppo BDP-105.