A quality sub for under $1K that mates well with Merlin TSMs? Consider a REL Strata III. My Merlins are mated to one and I have quite satisfied with it.
There's even a "brand new" one up for auction right now. (I am not associated with the seller or item being sold.)
There's even a "brand new" one up for auction right now. (I am not associated with the seller or item being sold.)