Axiom Man, an EP500 would be a great choice for your room size. Its a very powerful excellent sounding sub for its size and more than capable in a 1750cf room. If you can swing a HSU VTF-3HO that would also be a good candidate. I would avoid the similar priced SVS subs since they are not in the same performance league as these two Axiom and HSU subs. The sealed Velo DD-12 is another consideration if you prefer more music applications and its smaller than either of these two subs but more expensive.
