Originally Posted by dtsdig
I've been considering it. I actually asked this question on the other forum yesterday. My concern was not wanting a gigantic box, but I could probably swing 6.5 cubes!
Yeah, it's not too bad at all in that size. You can actually drop the size of the enclosure down to 6.25 without a noticeable drop in efficiency. In that size, factoring in displacement for the driver, ports (3 each of 3x22), and some bracing we're looking at a sample size of 22w X 25h x 27d. In this design you can apply around 1200 watts while keeping excursion under 20mm. You would definitely need to run a HPF under 19hz though.
If you had the room to bump the box size up to 9cubes, you do pick up a bit over 2db at port tune area, still keeping excursion under 20mm. As an example the box size would be something like 23w x 30h x 30d. That is relatively enormous IMO considering the size of the other option.
Dang, dual opposed sealed is continuing to look like the best option considering space and the inexpensive cost of these drivers!