Port Size for box......HELP


Josh GUt
Unregistered guest
I just built a box today for my 15....i was wondering what size port to put in and how long.....the box is 3.3 cubic feet....i want loud only looking to put in a circular port ...just want to use pvc. JL's site says 3" round port w/ a lenght of 11.6" or something..does this sound right or not?

Thanks alot

Gold Member
Username: Invain

Michigan United States

Post Number: 3122
Registered: Aug-04
Well, seing as you didn't tell us what sub you have, then I have no idea. I'm sure whatever JL recommends will be fine.

Josh GUt
Unregistered guest
JL 15w3 d2
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