This is not a subwoofer but I didn't know where else to put this, it's actually a 6.5" midrange, again from Adire Audio. It uses the same motor technology as the Tumult. It is a low distortion driver aimed at the big dogs like the Scanspeak 8545 and the Seas Excels. Needless to say, I am on the waiting list. No affil, just a happy customer . Over 1" linear excursion, yeah baby! :D

The file is about 11 megs.