JBL GTI 10 box help plz.

[efxtruck 0]

Hey I need to. Build a new box. I have mangled one of my subs so I need to down grade to one sub.   I'm wondering if anyone has Term-pak.  I just need a basic box 2.5 cu/f with big port tuned 31htz   if someone could run the numbers for me it would be greatly appreciated.  I really miss my bass. 

[ssh 924]

This might help: http://bitpusher.in/