I ran several iterations of Alon's back in the day on short wall in 13' x 36' room, so firing down 36' L. As I recall, well out from front wall, distance from side wall somewhat compromised, but not big deal, better than long wall placement and firing into back wall only 10' from front of baffle. So, based on my experience 12' x 32' room likely better, short wall placement in 14' x 18' room gives you 6' more depth, so this could work as well. I used combo of absorption and diffusion, always prefer diffusion at first reflection points. Absorption on floor likely needed for smaller room, I've always liked open baffle speakers, good luck with PAP.