12x 10" Ampire WB250 in 4th order bandpass
1x Rockford Fosgate 3000.1 bd
1x bluetop
2x redtop
149.5db @ 36Hz legal
159.7db @ 36Hz port
126.6db drive by on music
Yes you are right. He made the box so flat (design stuff ) that there is only space for this short ports. Only other way is just to add more of them. But anyway i want to rebuild it completely for him ^^.
The woofers: