RFI: How does it affect mains circuitry of hifi equipment?

This, in my opinion is the only question that needs answering when it comes to the subject of mains cables. Russ Andrews company have already had 2 of their cables fully scientifically tested by an independent lab who confirmed from scientific testing that the cables removed RFI from the mains, namely a russ Andrews classic powercord & one higher up in the range, both were confirmed to do so, this part of the mains equation is unquestionable so we need to move on to the next step

The question is, what affect does RFI have on the mains circuitry of hifi equipment, is it detrimental to sound quality, if so, why? & how?

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Thank you

Neil McCauley / editor in chief