Hey guys,
The N3 has the same sensitivity as the OB-5 and OB-7 and will match nicely.
90% of everything a center plays is dialog and the N3 will play plenty low for that. With the surface reflections of a TV screen and entertainment system it is almost like a wall mounted speaker in some cases. This will increase the low end output a little. In room responses could be -3db down in the mid 60's.
If you want though you could also build a side laying OB-5 or OB-7 like one of these.

