I have been working on a pair of small 2way speaker cabinets with a 12" woofer and 3 peizo tweeters. I got one done last night. I built them out of 3/4" plywood glued and screwed seal cabinet dimensions are 17" wide x 23.5" tall x 22" deep.
I plan to call this cabinet SFR12 (sealed full range) in the picture I have the SFR12 on top of one my new mini Thunder 12s. The Mini Thunder 12 is a folded horn cabinet loaded with a 12" woofer dimensions 17"wide x 30" tall x 22" deep, when you put both of these cabinets together you have a Mini Stack great for weddings,Basement party's, small bars etc. I tried both cabinets out this morning and they sound sweet together.
I still have a lot more testing to do but preliminary test went good. I should have the other SFR12 cabinet done in the next couple of days. For more pics click here.