Quote Originally Posted by dan the acid man
please dont do b, as pc power supplies and laptop power supplies store electricity, so i wouldnt go messing around with them
would this work anyway.

my laptop psu is double insulated-----only has Live and Neutral so i dont think ther is an earth connected to mine.

neva treid it on a pa but in the bedroom i dont notice any humming.

manybe sony have did this for me....

but-

ground loop isolator defo would be the best.