changing port tuning

[spaz0055 10+ year member]

how much should i change the port length of this by to change it from 33hz to 41hz?

http://img23.imageshack.us/my.php?image=3cubes33hz56sqin6nx.png

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[spaz0055 10+ year member]

anyone?

 

[bimma85 5,000+ posts]

not sure, //content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif. What subs are going in the box?

 

[spaz0055 10+ year member]

3 10" L7's

 

[bimma85 5,000+ posts]

might be wrong, but I think the l7s would like a bigger box than that.

 

[spaz0055 10+ year member]

i was startin to think that now that i have thought about it

 

[spaz0055 10+ year member]

any suggestions on the cubic feet? i am startin to think like 5-6