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View Full Version : 10" sonotube , what is port area ?



Savag3
06-07-2010, 04:36 PM
radius * ? *pi ?

pr-festiva
06-07-2010, 05:03 PM
RxRx3.14

46panel
06-07-2010, 05:11 PM
Yea right around 78.5 but make sure it is 10 because mine were a little bigger