Dedicated power

I’d go twin 20amp heavy gauge shielded lines and use Synergistic Research Orange outlets or hospital grade outlets on up. Lots of beefy ones out there. If you do nothing else getting rid of stock wall outlets should help.

I could not run new lines but once everything from the wall out was ungraded even my wife (who couldn’t care a fig) said she thought the sound was better.

If you go with a power conditioner get a top one.

Thinking of the entire electrical supply and all wires as a components makes doing improvements easy.

@erik,

Run is probably a little over 30ft. Thinking closer to 40ft. 

Second the suggestion for a Torus or similar transformer. Expensive but the best solution whose installation makes some of these other concerns moot.

Well, I think this is overkill, but the suggestion I gave you was exactly what I did for my workshop, running 1 1/2 HP and 2 HP motors. :)

In the basement, the NEC let me run 8 gauge (was it 6?? It was a long time ago) Romex with nothing more than nailed on brackets. No conduit needed. Ran it to a sub panel on a 60 A breaker, and distributed 10’ runs from there.

Could I feel a difference while cutting wood? No... but it was much easier to install this way, and the 4 or 5 dedicated circuits could be run more easily.

We use conduit hard pipe (emt) in Chicago.

Romex has better rejection than loose wires in EMT.
Twisted L-N in conduit it best, but it's a bitch to pull.
See pp 31ff here  Microsoft PowerPoint - Indy AES 2012 Seminar w-Notes v1-0.ppt (wordpress.com)