The OP (and the rest of us) might find this interesting:
http://www.rane.com/note110.html (title: Sound System Interconnection)
Also, I'll add a 'me too' (because it's important) to what Jorn and
Fons have said: nobody playing on my stage gets to 'solve' a problem
by disabling AC ground.
On 10/05/2014, Arnold Krille wrote: