So if I plug a "computer lead" into a kettle, what may happen?
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Sure, calling such a 'kettle lead' is simply a figure of speech, solely in reference to its appearance and the fact that it uses (as old kettles did) an IEC plug.
What I'm referring to is the cheap crap Dominic has mentioned, versus anything that's been designed better (for hi-fi purposes), in the areas he refers to, and specifically which tackles the issue of noise interference, such as RFI, through the introduction of effective shielding.
That is, by definition, a 'mains cable designed for hi-fi purposes'.
Marco.
I'm not convinced there is much of such an effect. Another possible reason why I find bigger differences in my humble Brio than in my Hegel might be that the Brio is very crowded due to its small size. The mains lead sits within a couple of centimeters of all four speaker cables, and the interconnects are not much further away.
A shielded mains lead might not even be advisable unless the radiation of the lead happens to affect nearby low voltage signals, which it likely does in the case of the Brio.
Do you ever feel these threads just keep going around the same old circle?
Ah - well there we disagree. I think it *can* be significant, and I've experienced the effect many times. It's one of the reasons why so many filters exist on the market to combat it.
So what would you proffer as the reason why the mains lead supplied with your Hegel improved the sound of your Brio - and fairly significantly, too?
Marco.