ok so I have two 12s soundqubed hds312 1200rms 2400w does this box design seems good for these subs here the measurements top/bottom 40x22/ back40x14.5/ left&right side 21.25x14.5/front 16x14.5/ports 18 3/4 x14.5 height/ the rear port walls 5.75x14.5 tune in the lower 30s. I think lmk if this is wrong
