Big open space, with a tv in between. I wish I could figure out the best way to treat that space without my wife telling me it’s ugly, or worse yet, no :). My preamp made the biggest difference.
@wjcasey3rd , I had always read that anything larger than a bread basket between speakers was a cardinal thread. Actually, I had read that before I started reading here on A'gon, and like every other thing, that is disputed here as well. However, as far as the TV between speakers, here I I have read (and I think on this thread as well) that covering the TV with a large blanket makes a huge sonic improvement.

