Ported Box for e12k

[jack 10+ year member]

Hey, I'll be purchasing an e12k soon. I've decided on a 2 ft^3 ported box before sub, bracing, and port displacement. I want it tuned to somwhere around 27-30 hz. And I want to use a tube port (I have been told this is easier than slot port, is this true?)

Anyway, in order to achieve this tuning frequency, how long should the port be, and what should the diameter be? Also, how much bracing do you guys suggest I use for this box, and what kind?

Thanks a lot for any help.

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[KurupT 10+ year member]

yeah it might be easier but it wont sound as good, just put a slot port in it youll be much happier

 

[jack 10+ year member]

In what way will it sound worse? SQ or output? Or both? How do I calculate the tuning frquency when doing a slot port? Or maybe you could just tell me what dimesnsions to make it in order to tune it to somewhere around 30 hz (and keep the box around 2 ft^3). Thanks.