Box for rl-i 10" sealed or ported?

[Trey803 5,000+ posts]

Factory recommendations:

Acceptable:

0.4 - 0.95 cu ft net volume sealed

0.3 - 1.2 cu ft net volume vented, Fb = 22 - 36 Hz

Optimal Car:

0.65 cu ft net volume sealed

0.45 cu ft net volume vented, Fb = 27 Hz

I notice that the optimal vented box is smaller than the optimal sealed. I was thinking going sealed b/c of space issues but if going ported will really be smaller should I do this. Im also thinking aero ports and need some information on how to calculate what size I would need to tune to 27 hz. Does anyone own an rl-i if so what kind of box is it in?

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[Trey803 5,000+ posts]

help please