View Full Version : please help with my box

01-26-2003, 01:02 PM
ok i have a box for 2 12s and its 1.25 per sub i have 2 4in by 12in ports here are the specs for the sub
fs 38.1 hz
vas 63.1 ltr's
qts o.38
qms 10.13
qes 0.4
xmax 4mm
re 3.49ohms
sd 64.3in2
cms 0.25x10-3
mms 2.43oz
spl 91db
vc dia 2"

what do i need to tune it to i was thinking around 33 what is it tuned to now? with 2 4inx12 ports please help

01-26-2003, 03:01 PM
www.linearteam.dk Programs>ISDonline>Calc new driver, then vent calc, use all the same units (be it cft, cliters, etc).