Re: wood thickness question?
use 5/8" all around perhaps. that should give you the airspace you need
Hifonics BXi 1206D sitting in my room doing nothing
Dayton midbass with Audax tweeters and Dayton crossovers
MA Audio M489I powering the front stage right now on Ch 1&2 and the Quatro 12" (in 3 cubes at 27Hz) on Ch 3&4.
Kenwood eXcelon KDX589 with aux input and iPod video mounted to the dash
soon to come: active 3 way DIY components using Dayton reference midbass and dome midrange and Audax tweeters and a Fi.Q subwoofer...waiting on money though.