I could no doubt use your help !
I guess part of my jadedness towards rooms, is that 20 odd years ago I built an extension off of our home that was designed from the ground up as a sound room, with acoustical planning.
Big 350 cubic meter, wonderful sounding room, in a quiet rural environment.
Very smooth RT60 around 0.2-3, live-end dead-end, early reflections absorbed or scattered...etc.
Countless hours optimizing multiple subs,
Thought i was in heaven, until i set some quality prosound gear up outdoors....wow, never-before-heard speaker clarity (and coming from an electrostat fan)
Anyway, since then I've used outdoors and mono, as the gold standard.
Although that may finally be crumbling.
Been playing with a LCR setup inside using three identical speaker stacks, and various matrixing techniques like Gerzon and others developed.
The center speaker provides the clarity that I most often find missing in indoor stereo. Clarity and envelopment !
It just might be time to get back into room acoustics..