I think the ATC is more fine in the midrange. Also the bass is more defined and more deep (bigger enclosure, bigger woofer, closed enclosure). I had the SCM11 for a while and I even tried the SCM19 on my Desktop

The small SCM7 fits (acousticly) most for my setup even though the bigger ones are the much better speakers. But I think they are not designed for a listeningsetup like mine (desktop, Distance 80cm, right in front of a wall).
The acoustical picture is more complete, it has bass, highs and between the mids. The picture is complete, I dont have to move the speakers because I think there is something not fitting yet...
Btw.: I use Dirac and do use a "housecurve" for listening at low volume.
I think, its very pleasing listening with the A4V (Dirac + housecurve - the Adams can deal with this EQing very well). Its not to analytical for me. Also I don`t have any problems with the tweeters.
I have used studiomonitors for about 10-15 years now, long time Genelecs, 8020 - 8040 (always an extrem nearfieldsetup), KS Digital C5. But never used a Subwoofer.
My room is quite small. 13-14 m²
The Subwoofer would also be placed in front of the wall
Another idea would be to try the A7V. It seems they are much bigger and I would have the fear that the mids are not so detailed and "holographic" than with the smaller A4V.