[LAU] Ground lifts, TRS, etc. to PA? USB/other signal crossover to audio?

Will Godfrey willgodfrey at musically.me.uk
Fri May 9 17:24:58 UTC 2014

On Fri, 9 May 2014 11:17:00 +0000
Fons Adriaensen <fons at linuxaudio.org> wrote:

> On Fri, May 09, 2014 at 11:54:23AM +0200, Ralf Mardorf wrote:
> > On Fri, 2014-05-09 at 09:13 +0000, Fons Adriaensen wrote:
> > > To be properly grounded, the connection to ground must have
> > > sufficiently low resistance
> > 
> > To get rid of ground loops protective grounding can be done through a
> > capacitor.
> Certainly not. Just read the text you posted.
> It says that some equipment may allow to separate signal ground
> and protective ground, and that in that case the two may remain
> connected via a capacitor which may improve HF shielding.
> It certainly doesn not say that you can disconnect protective
> ground, on the contrary it does say that you must not do that.

Beat me to it! It's quite scary what people think is 'safe enough' :(

Will J Godfrey
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.

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