Port help

[Cleith55]

Hi all I have a box I built the dimensions are 13 x 13 x 38 it's 2.79 cubic foot of air space I have an Alpine Type R SWR 1242d would like tuning to 33 hurts I have a 6" round port how long is what I need to know please help

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[shredder2]

This ought to get you close.

 

[Cleith55]

This ought to get you close.

Thank you very much

 

[Cleith55]

Could I put 2 12 in that box? Swr?

 

[hispls 5,000+ posts]

Could I put 2 12 in that box? Swr?

You'd probably do better with just the single one in that airspace.

 

[Cleith55]

You'd probably do better with just the single one in that airspace.

Should

 

[Cleith55]

Should

Should I make that one smaller?

 

[hispls 5,000+ posts]

Should I make that one smaller?

No. 2.5 cube is good for most big boy 12s ported. Make the box solid and you'll have a lot of options if you want to upgrade down the line.

 

[Jeffdachef 5,000+ posts]

Could I put 2 12 in that box? Swr?

thats only enough space for one 12 dude.