help about TC Sounds 18" lms ultra4500 SPL box design

[splx1]

hi every one.

im sorry about name of the topik icant change i made mistake

in near future we will have a db drag championship and i want to design the best spl box for re mt 18

unfortunatly there is no T/S parameters of this sub on the net or anywhere.

does any one can help me?

i sent a mail to re but no one answerd me.

how will be better?how can i reach high spl?big box low frQ or high frQ?

i need your help to be the best.

thanks.

[Joe X]

You can pull t/s parameters from a sub, here's the easy way:

http://www.parts-express.com/dayton-audio-dats-dayton-audio-test-system--390-806

It's important to have a broken in sub before testing.