Actually the situation is the opposite. I want a balanced line for my
pretentious, snobbis audiophile dedicated sound room. But I'm really not
keen on buying amplifiers specially keyed for this puropse, although they do
sell them. What I'd prefer is to have the balanced line, but to use it with
regular 120v audio gear. What I might actually want is a step *down*
transformer. What do you think?
You could get a 240V to 120V step-down transformer and run it that way.
But a 120V isolation transformer would probably be cheaper. While it'd
be balanced in a sense, the real problem is that both lines are now
"floating" (no ground reference). Which can lead to its own noise
problems. So, you buy a 120V isolation with a center tap on the
secondary, and ground that. Properly balanced.
[Don't try this with some tube gear!]
But frankly, you'd be better off with line filters.
Chris Lewis, Una confibula non set est
It\'s not just anyone who gets a Starship Cruiser class named after them.
An independent electrician or a homeowner would do it.
Most likely (although not 100% guaranteed) your house has 240V coming
in. If so, then it is just an inside the home wiring issue. It may be
more difficult if your panel's capacity is already fully utilized.
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