Maybe we could get him better quality windings on the transformer too.
Seriously, I'm a sound mixer as a hobby, and I have received catalogs for high end audio equipment and cabling that price-wise makes pro-audio gear look like swapmeet junk by comparison. I'm talking amps, pre-amps, turntables & stuff that run $20K each and higher, and they sell very very expensive cable sets for the audio signal.
So what do you buy in spending $100K or so for a home stereo? Very very quiet. Pure signal with no noise. I can tell you that it wouldn't be very useful in my house! Way too much background noise.
IMHO, I think that's where the insanity should end, at the aduio signal. I would like to think that most audio equipment power supplies would provide whatever isolation is needed, especially at these prices, and that the line side would be relatively unimportant (within reason).
I would also imagine the video components would be far less important than the audio.
Radar
