need some help here?

[urmomsmin3 10+ year member]

so i broke down my old 4th order its a big ol sealed box as of now about 7 cubs i want to aero port it for 1 18 i was thinking two 6 inch pvc ports about 20 inches long now my ? is were to place them on the box

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[black05alti]

Post a pic of what you're working with now

 

[urmomsmin3 10+ year member]

the port comes out and i have a piece to cover it then i was gonna aero port it box is pretty big

 

[urmomsmin3 10+ year member]

? any 1..lol

 

[PSturmer 10+ year member]

so i broke down my old 4th order its a big ol sealed box as of now about 7 cubs i want to aero port it for 1 18 i was thinking two 6 inch pvc ports about 20 inches long now my ? is were to place them on the box

place them such that neither of the subs is directly near one of the port openings. also they should be somewhere onthe outside of the box where they have room to breath. at 20 inches long that will give you a tuning freq of about 32Hz. if you use the psp flared 6" which come in 17" lengths (they can be made longer by buying more pieces) then the tuning freq would be about 35Hz.