It would be a thin three way design. You can do a T26SG tweeter in the center. It has high sensitivity.

Then put a pair of these above and a pair below in a series parallel configuration. That will get you up to about 93 to 94db. There is your MMTMM center. Then you can do a long line of a bunch of them to cover and fill in the lower ranges. I'd use a low crossover point, first order, crossover between the ones used as mids and the ones used as woofers. It could be a WWWWWWWWMMTMMWWWWWWWW array.

And then you'd need something to handle the range from about 80 to 150Hz and down (depending on where these roll off in an open baffle).
That would be pretty awesome. A real narrow baffle with a wing down one side.... It would sure image well.