I just move my 3 dedicated lines to 123v-125v phase. The electricity in my apartment is very stable with the difference of +/-2v between phases even with everything off at the panel. I have a few PSaudio noise harvesters that I use to check for dirty electricity. Everything is pretty clean until I turn on my Kavent monoblocks, that is when the ps noise harvesters starts to blink. I got into this Stereophile fine tune article discussing monoblocks installation.
http://www.stereophile.com/content/fine-tunes-11-page-2
Anyway, thanks Elizabeth for your advise.