AW: Common supply

[Haible Juergen]

	>Btw, I'm a bit reluctant to replacing a couple of wws by a single
PSU.
	>All those warts have separate grounds, this doesn't have to be
signal
	>ground. Worst case would be a device having the wart's + connected
to
	>signal ground. Even in other cases there could be a ground loop.
And then
	>there are AC warts as well...
	>Call me nuts, but separate wall warts are part of a healthy ground
setup.

Call you nuts ? This was the first sane answer to this question.

JH.