Box help
I have a box that iv alreayd built but im ganna make some changes i want to put in a changble port but i cant figure out how to calculate for the port area and lenght, the box is about 12.5 cubes wiht no port or subs. im looking for a port that will tune to 34 and then a comp port @ bout 47.
A New Begining Starting Over
2003 F-150 extended Cab
Head unit: Pioneer 880
Speakers: JBL comps
Amp: JBL 100x4
Sub Amp: ?
Subs: Possible 4 SX 15's or 2 SX 18's
Box:18-20 sq ft @ 30
Batts: Still Need
alt: mechman still to order
Wire: Lots of 1/0
refs: rem, mihklo, ilaydit, Mirage_Man,Looney_Tune,fawd06, LuckyT
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