help with dimentions for slot port box

[rustycar 10+ year member]

i want to build a slot port box 4 a single alpine 10 type e . i have the specs for the sub. going for spl the sub will be a bit underpowerd 175w recomended 200w any help plz

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[DFW40 10+ year member]

http://www.the12volt.com/caraudio/boxcalcs.asp#par

this site should help with calculations.

With that sub you could easily use a 3 inch pvc or 4 inch pvc pipe, length will depend.

 

[req 5,000+ posts]

http://www.r3q.net/port.html

http://www.r3q.net/req_files/portcalc.zip

do a search. i swear to god there are five posts a day about this. search, read, learn. or pay for plans.