Subwoofer options for Magnepan with crossover betwen pre and amp?

I subscribe to the only good subwoofer for a maggie is to sell it and get a bigger maggie if your going for SQ.

I personally love Maggies in the larger panels, but dynamic bass is something that most folks are used to and want.  Physics can only do so much for a Maggie playing by itself.  

Lot's of folks use subs with them and each time I've heard a sub mated, it wasn't my favorite thing as I heard the difference.  The best I've heard so far has been the Vandy sub's.  I haven't heard the new one, but was told by friend who own a pair or two that they are even easier to integrate due to the bass eq.  Having had Treo's and now Quatro's in my own room, I can attest to the EQ for sure.  If I had.a Maggie panel, I'd probably try two pair as that's the best bass set up for any room.  The set up would be worth taking the time to do I'm sure.  

Let us know what you do.  many options for sure.

Old.but still , just.bulld two open baffle woofer columns. Crossover, a xls2502 more than enough power , to keep them under control good crossover. That's what I am going to do .. 

I have 4 subs running with my magnepan Tympani I. Sounds really good, but I think making a equal line source woofer column at 6ft,, open baffle with minimal baffle diffractions.

4x12 inch or multiple 8 inch, line source fast as it's open baffle. No cabinet coloration, enough displacement (controls are endless that way too) 

Crown xls drivecore series has build in crossovers. I used a xls2502 to keep my jbl 18 inch subs under control. 2500w 4 ohm in bridged mono that amp. 

I don't know if any of you ever thought of doing something like this? It seems like a great idea to me to try,and I will I know myself 😋

@michel1980: Head over to the GR Research website (and their AudioCircle Forum) and check out the OB/Dipole Sub. THE sub for use with Tympani’s (and all other dipole loudspeakers, for that matter), unless you have room for a pair of Tympani T-IV to use as subs ;-) .