this guys got some crazy installs check it out http://www.gatelyaudio.com/ sweet stuff to look at.http://www.gatelyaudio.com/latest.html
more pics http://www.gatelyaudio.com/gallery.html
more pics http://www.gatelyaudio.com/gallery.html
You don't want your enclosure to flex, no matter what it's made out of. Flexing = loss in output. That's what I meant by "acoustically dead".But what about flexing? Is it rigid enough to not flex at all?