.. I took the pics up against the back wall and as you can see, the right side is completely open and has 16 foot tall ceilings. Right now, my desk and monitors are in the middle of the space, but i've noticed a lack of bass ...
So if you rotated the desk ccw and faced into that left wall how close to being center' of the (now) L/R walls would you be?
Seems like you might be juggling your existing L/R reflection symmetry, with being overall closer and facing a wall, or just go with what fits'/practical (no real opinion there.
Re the lack of bass.. You can get reinforcement with the speakers close to a wall- Maybe that's a plus and a way to go
if they're lacking? (I don't know so I defer..
Rather first if you haven't yet, put on a few music tracks with a good selection of bass notes and check it out from different spots in the room. Second on the measuring too as then you get to actually document the variations, from different listening spots, or speaker locations.
..But at reasonable levels and expectations (small woofs, big room
You should find large variations as you move around. But we're going for
most even. (If the goal was 'most bass', go stand in the corner
But hazard to guess that room- size and open nature, might actually have less of the rectangle/smaller box' problems a lot of home recordist face.
Decay times might be interesting on the other hand..