New to the page!
I've been interested in an IB system and I've tried modeling an IB with 2 Fi Car Audio IB18 drivers in WinISD, but I think I'm missing something.
It appears that the subs will start dropping off around 40hz. I was under the impression that IB subs would reach way down low, so I wonder if I have dome something wron in modeling them.
Suggestions as to what I might check?
sorry, I cant help you with modelling the sub, however, from personal experience, 2 Fi IB18 can get VERY low.