Surely any amp costing upwards of £100 will have some pretty robust power regulation electronics inside it anyway, rendering a large part of the issue completely moot anyway?
If you're spending £1000+ on the amp, i'd be utterly shocked if it didn't have pretty 'bomb proof' regulation circuits that 'smooth out' even the most awful of electrical feeds.
edit - as for that particular cable, a power cable that can make the black level displayed on a TV 'deeper'? Pull the other one, it's got bells on.
If you're spending £1000+ on the amp, i'd be utterly shocked if it didn't have pretty 'bomb proof' regulation circuits that 'smooth out' even the most awful of electrical feeds.
edit - as for that particular cable, a power cable that can make the black level displayed on a TV 'deeper'? Pull the other one, it's got bells on.
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