Unknown box tune, how do I figure out what its tuned to.

[01 S 10 10+ year member]

comes out to almost exactly 40hz, after calculating displacement of the wood and port itself. not including subs of course. closer to 41hz with sub displacement.

but 1/2mdf //content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif .....

i hope it has a shit load of bracing inside (then again that will take up airspace and raise your tuning even more)

 

[WOT]

Umm it has 2 2x2 braces, one going up and down in the middle of the box between the subs, and one tied into that going back and forth parallel to the port.

But yeah its 1/2" shit