Thanks for the nice Welcomes, everyone!
I'm really learning a lot breaking-in these speakers. Their higher efficiency brought to my attention a slight ground-hum in my system. That was actually a little annoying at first but drove me to take care of it (I broke down and ran two, 20-amp lines to the system. Dang, this is a pricey hobby!) But now I'm understanding how having good power helps with background "blackness" and how that contributes to "imaging." I'm also getting a grasp on how poor the wiring was back in '67!
I've got more than 50 hours in on these now and they just continue to improve. Nothing as drastic as the first 20 hours, but they just keep revealing more and more with each listen. I even had one of my more skeptical friends over yesterday. Luckily the Omegas blend in so well with my "decor" that he didn't notice I had different speakers, and we went through some old Motown recordings (he thought we were listening to my new Monarchy NM24 DAC.) And he was impressed! There were several tunes where he could make out lyrics that are buried in his system. Then, suddenly, he says "Hey, what speakers are those?" Yay! I went over the system with him - he hadn't noticed that the subs are out of the system, even (not like there's much in those old Motown recordings below 80Hz.) We were both very impressed with how well the Omegas represent strings, brass and vocals. I find I'm not even listening to the speakers so much now as just the music coming through them. I'm quite happy.
I'm really happy with the Monarchy Audio gear, but especially so with their DAC/tube pre. That was a big improvement over the old Theta Casa Nova I'd been using. The SM-70's are class A, single-ended transistor design that I'm happy with, but I have nothing to compare them to - my last stereo was 15 years ago! I'm running two of them in mono - not that I need the volume, but I like the heat they produce. It's cold up here, and I have to heat the place anyway, right?
Thanks, Louis! These Super 6 Monitors are really growing on me.