Open Baffle loudspeakers.

You can add Emerald Physics to the list. I have the CS2.3's in a tri-amped configuration and they are just amazing. The 2.3's have two 15" woofers per side to deal with the OB bass issue. DSP/active crossovers are the way to go. My DEQX will be here in two weeks. Can't wait!

Sideways: Any chance that you're using the upgrade transformer balanced output boards on the DEQX?

Good news Cdente...you'll love it!!!

As for me...I'm cheap LOL!!! I found a great buy on a 2.6P...like I said...best move I've ever made in my audio career :)

To you Ngjockey...no...stock unit using stock rca outputs!!

I'm sure I could go balls out but in all honesty, I don't feel the need too...the experience I am having\getting is fantastic in it's own right...I know it can be improved but I'm enjoying it that much that I don't feel the need to tinker at the moment!!!

Maybe some day I'll spring and go higher up the food chain...my buddy has an Express and a 3...he's waiting for the 4...he's a dedicated 110% DEQX man!!! I am too but have to save the pennies first ROFL!!!

Funny thing is, when you have a chance to experience the DEQX first hand, you kinda lose interest in the For Sale Ads after that...oops!!!

I attached an exciter to a 2x2 foot, 1" thick piece of solid, pink insulation.  Using the positioning '2/5  3/5 rule', I heard a perfectly clear, quick and well balanced sound:  well balanced for a certain upper level of frequencies.  Having not tried it, I'd assume a much larger piece would offer more bass, but uncontrolled bass....blurry, without texture.  I guess you'd just have to use traditional boxes to get good mid bass down to bass, but still, wouldn't it be worth it for the air and clarity?  Acoustic guitars, the shimmer of drums and the air in 'wind' instruments sounds amazingly real.  Has anyone experimented with the larger exciters?  What other baffle mediums have you used?

+1 @grannyring on Nola.  In my experience, open-baffle cone drivers are a great compromise between completely closed-box speakers and planar or electrostatic designs.  Done well, I find open-baffle dynamic cone speakers in general to be more open sounding than box speakers but with greater tonal density and "oompf" than flat panel designs along with fewer bass production and integration issues.  Nola in particular has got me rethinking what my own end-game speakers may end up being precisely because of this issue.  Hearing their Grand Reference towers at a show in NYC years ago continues to be the single most impressive audio reproduction experience I've had. 

Spatial is another brand not mentioned previously that embraces an open-baffle architecture.