port area

[fast85_gt]

i need to know how much port area i need the box 10cubes gross after sub and port diss and braceing im going to be around 8cubes its for 2 18"treo ssx i need a slot port tuned to 31hz plz help treo says 100sqin port but ive talked to some plp they say it not enough port area

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[fast85_gt]

heres a like to ssx page if you click on specs youll see where ir has all the tuning stuff but if someone can help me remember i have 2 18" subs http://www.treoonline.com/ssx.html

 

[skmfkr 5,000+ posts]

8x12 = 96

8x16 = 128

somewhere in between

 

[fast85_gt]

8x12 = 968x16 = 128

somewhere in between

can you explane a little more on my port i can go 4"x whatever and i can get the 21.5deep for tunning but hoe much sqin of port do i need to keep it at this tuning

 

[RAM_Designs 5,000+ posts]

your new friend: http://www.carstereo.com/help/Articles.cfm?id=31

 

[fast85_gt]

i know i need 100 sqin of port but i wont to know if i can go bigger say 125 or 150 i have heard bigger vent= louder dunno

 

[fast85_gt]

someone tell me how big to make my port plz

 

[roarzorz 10+ year member]

Go by your manufacturer's recommendations.