Magnepan 1.7's best sub match??

What do you consider reasonable?

Well, I guess I should mention that my 20x20x12 room (main
living room area) feeds into an open kitchen/dining room area
so I guess you can consider that into it as the LR is not one
closed off area.

Tpreaves,

I'm thinking under $1k give or take. Maybe one REL T-9, or two T-5's, or similar. Thinking "fast" & "tight" over
super deep.

Rrog,

I have Denon monos @ about 460 W/PC. Speakers are
a little over 1 yr old, but still not sure they are
broken in as the gentleman I bought them from did not play
them all that often, or for long periods of time.

Also, what would you think about 45 W/PC of tube power??

I've had great results with the Vandersteen 2W sub with my 1.6 Maggies in a fairly small room with a low drop ceiling sitting near field. What it does mainly is opens everything up so that the soundstage is huge in a wrap around way and the upper end extension just goes through the roof in a way that's quite seductive. The Vandersteen seems to me to be fast enough to keep up with the speed of the Maggie and the way it implemented in the system gives your amp relief in it's job of handling the lows. My amp is the ARC 150.2 @150wpc into 8 and 300wpc into 4 Just a thought. Good luck!