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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: RE: DIY ground cable. posted by kenster on September 17, 2007 at 12:59:52:
Depends wether it is a signal ground or chassis (safety) ground.
You want only one path to a common point (star ground) for audio.
Other grounds that cannot be lifted for safety reasons should be
choked (few turns on a toroid) to keep them from becoming part
of a ground loop that can pick up hum.
If you are going to choke a wire, it harldy matters what type.
Long as it can pass the required number of turns thru the donut.
And its big enough to short out your whole system to ground if
something seriously unsafe (to you the operator) happens. The
choke too can be unsafe if wound too much. It has to pass 60Hz,
or it isn't saving you from anything... Its hard to fix as an
afterthought, grounds are better engineered from the beginning.
If its for a signal ground, then a fancy wire might be in order.
It can't hurt. But I also can't think of any signal ground that
extends out the chassis. You probably looking at safety ground.
And even there, it does no good to be better than your 200ft or
so of solid 16ga copper you got strung through the wall/attic.
Its funny that you would use a Litz wire for ground. But not
consider it for the audio path inside the chassis (see thread
about gold plated silver wire.) You klowns kill me.
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Follow Ups
- RE: DIY ground cable. - kenpeter 19:55:19 09/20/07 (1)
- Administrivia: Leave the personal stuff outside - Ted Smith 20:18:10 09/20/07 (0)
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