Congrats on moving out of the house. Your horns are looking great. Why not try moving them in to the room, away from the walls? Good speaker positioning will help load your room with music.
Cool system. Cooler system name :^). I would love to hear the Edgarhorn Titans with a Seismic Sub one day. I think the concept is fantastic. As soon as I get settled in (moved 2 and half months ago but have been out of town for all but 10 days of that), I am going to start cracking on a DIY TT project of my own.