Posted April 20, 200916 yr Is there a way to find out how much output I will lose if I go from 15" BLs to 12" BLs with the same variables on the same power?
April 20, 200916 yr Author Ok thanks. Thats what I thought. There are too many variables and different things to take into account.
April 20, 200916 yr The only definite thing is that you will lose output. (Assuming same power and ideal boxes.)
April 20, 200916 yr You can do the cone area theory that says twice the cone area on the same power will yield a 3 db increase. On the site it says the 15" has 810 cm^2 and the 12 has 480 cm^2. That's about 60% of the cone area you had before, so 40% loss x 3 db = about 1.2 db lower. But that's purely theoretical and the way the different size subs interact with the box their in (where the peak is, impedance, etc.) can/will affect that as much as the cone area decrease.
