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Old 05-10-2011, 05:36 AM   #27
dungbeetle
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Join Date: Aug 2006
Location: Ol' Blighty
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Quote:
Originally Posted by Dannii View Post
... The only thing I have found that does this reliably is to remove the mains earth connection from the PSU.
Indeed.

The only thing that completely solves the problem for me is the setup pictured in my original post (i.e. using the shaver and continental adaptors).

Having said that, for anyone who'd rather not to do away with the earth connection, the isolator is a good compromise. At normal listening levels the remaining hiss is fairly unobtrusive and obviously never finds it's way onto the actual audio track(s) anyway.
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