First up is pics of boxes i designed and built yrs ago.
i specialize in bandpass boxes.
If u dont know what that is, u can get more info at diysubwoofers.org.
heres a 4th order bandpass i designed for 2 mojo 12's for a nissan maxima
heres my recent design of 8 mtx 950015's in a 4th order bandpass for a tahoe
heres another 4th order bandpass for 6 jl12w7's for a escalade ext
if u want to see more feel free to ask..i've designed a few monster setups that sounded really good.
info i need to start a design
sub(model and t/s parameters if u have any)
how many subs
how much power
size box u want(high x width x depth)
wats your goal or wat kind of sound u looking for
pricing go's as follows
sealed $2
ported $10
bandpass $20(its a more complicated design)
80
doing things people say cant be done!