Tech Square Technical and speculative discussion of amps, cables and other topics.

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Thank you, Ugly ...

Posted by andyr (M) on December 11, 2008 at 11:36:48

In Reply to: RE: Same reason.... posted by Ugly on December 11, 2008 at 11:08:27:

great explanation - I can understand your proposition. :-))

However, the only thing still unclear to me is that while I can see how twisting, say, input signal wires together ('hot' & 'ground') will reduce noise pickup ... this is because the 'hot' wire carrying the ac music signal is twisted against ground.

Yes, I can see (as you explained) that certainly the PS rail wires plus the amp PCB form a loop antenna but the wires being twisted are not a 'hot' & a 'ground' ... they're a '+' & '-' Xv pair?

Or is that irrelevant - whatever "signal" they are carrying, twisting the wires together reduces the antenna loop area?

Is it better in fact to use the 0v wire as well and braid the 3 together?

Thanks,

Andy

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