Port question

[JBano13 0]

I am going to build (or have built) a 1.88 cu.ft. enclosure tuned to 32hz for a 12" Fi BL. I want to put a round port in the box or multiple round ports or even a triangle port. Can anyone tell me the dimensions of the port? I know there are tons of calculators out there but i don't know how to take in account port noise and all that fun stuff. I don't know whether to put one port or multiple or anything. Thanks in advance!

[KU40 173]

I take it that 1.88 cubes is before port displacement? Is sub displacement factored into that already?

[JBano13 0]

Nope Sub displacement would be - .15 and that is why I am going with round ports they only displace like .01 so I'd be under spec but I'm very limited on room. Would that choke the sub out? Any ideas on port measurements?

Edited March 24, 2009 by J.T.