I agree with Duke. You can't really design the cabinet until you know the parameters of the driver. You question would get must more response over at www.htguide.com/forum. Look at the Mission Possible section.
DIY speaker enclosure, maybe TL?
I'm planning to make a pair of speaker enclosures for Accuton drivers, and people have told me I should go for a Transmission Line type. I've tried to read on the Internet about TL's, and realize that while the audiophile community owes a huge debt to Martin J. King and George Augsburger, their stuff belongs to an engineering grad school curriculum, with me being stuck somewhere around the 6th grade. I've ordered a couple of books, Vance Dickason's Cookbook for one, but before they arrive, can anyone guide me toward a practical design? I can do the carpentry but the details of a design still seem a distant goal. Any help would be much appreciated!