I've heard of "transparent" cloth for speaker grills, but I've never found any video screen material that claims such properties. It is hard enough to find just the right video properties! "Poo" soiund is what I am afraid of.
So I am rethinking this. Since the M22ti height on 16" stands is still not very high, with tweeters at about 34", the ideal thing for my application might simply be to mount the center speaker below the screen. I think the screen bottom might be about 36" above the floor, so it all might line up within a couple of inches.
