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

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To: <linux-audio-user@...>
Date: Saturday, May 10, 2014 - 9:08 am

On Fri, May 09, 2014 at 09:50:49PM -0400, Tim E. Real wrote:

> Conclusion:

A very typical story, and you have been lucky.

Proper grounding should never be taken for granted. A few years
ago I inspected a set of 8 newly delivered active speakers -
quite expensive ones from a very reputable brand. Three of
them were not properly grounded. There was a short wire from
the ground pin of the power socket to one of the screws used
to fix the main PCB to the chassis. And those screws were black
anodised... The scary part was that ground continuity had not
even been tested at the factory.

Regarding those 'cheat plugs', if I find any of those or any
other tricks to defeat proper grounding on my watch, I take
the same attitude as Joern - either those things get fixed
*immediatetly* or the user can pack his bags.

Ciao,

--
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)

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Messages in current thread:
[LAU] Ground lifts, TRS, etc. to PA? USB/other signal crosso..., Jonathan E Brickman, (Thu May 8, 7:31 pm)
Re: [LAU] Ground lifts, TRS, etc. to PA? USB/other signal cr..., Jörn Nettingsmeier, (Thu May 8, 10:44 pm)
Re: [LAU] Ground lifts, TRS, etc. to PA? USB/other signal cr..., Fons Adriaensen, (Sat May 10, 9:08 am)