this winter i plan on making an spl box for my 8a's. they will be running off a hifonics nx750d at .67ohms nominal, so figure 200-225watts per sub.

im aiming for 3 cubes after port displacement, tuned to somewhere in the 40-45hz range. in my hatch i can fit about 3.5 cubes.

my question is would i be better off reducing box volume to keep port area up, or should i lower the port area some in order to keep the box volume up?

eD reccomends 10 square inches of port area per driver. with the power im running, is there any real need to increase port area above maybe 40 square inches?

thanks alot - don
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