I haven't heard the Adagios, but it's hard to go wrong with the GV. They do everything across the board pretty good, and are very special at some things. But most importantly they convey the gestalt of the music.
I assure you that you won't lose any coherence with the GV. I came from Green Mountain Audio speakers that specialize in time/phase coherence loudspeakers and the Grand Veena is at the very least their equal in that regard.
I have gone down the high efficiency rabbit hole and I like it. I started with a pair of Klipsch Cornwal ls and they showed me what is possible. I now have a pair of Bob Crites Cornscalas and am very happy with these.
I changed my amp from a VTL ST-150 to a pair of Quicksilver Mid Monos. The Cornscalas need very little power. I will likely try an SET at some point, I think 10-15 watts is plenty.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.