Jtinn, I agree that i have not seen Ed's room dimensions. However, with the pictures of his room and the relationship of the MM's to the side walls, It seems highly probable that this room is sub-par, size wise, for a speaker like the Maxx's. Sure, the Maxx's may work in some areas very well in a room like this, BUT Ed says he wasn't able to get the bass response he was looking for.. which as I said doesn't surprise me. I don't think that you could argue that the Maxx's are a bass deficient design!
IMHO, it is a given that in order to hear true bass extension you need a truly large room.( and of course a speaker than can deliver the goods). My point about the wave length of a 20hz note is well known. Shoehorning in a speaker that is too large for a given room is a very common occurrence in our hobby-- Many dealers try to upsell a larger speaker, either with little regard for the room that it is going to be used in, or what the listener is trying to accomplish, again IMHO.
Mike, the fact that the Maxx 3 is a rear ported speaker may have in fact assisted the speaker, given that the front wave has to overcome the stuffed couch which it is being asked to fire into..:0)