Can someone explain why this equation does not equal out or sound right. Formula for a sealed box.


New member
Username: Dusty11185

Post Number: 3
Registered: Oct-05
Ok. someone gave me the link on a website to Calculate the internal volume needed for a sealed box. I have 2 Mmats Procast 15's, but im going to put them in separate boxes, so i am doing the calculations for one sub. the TS parameters are.... Vas in Liters=276.3, Qts=0.25 FS. Hz.=22.433. I converted the 276.2 liters to cubic feet by dividing 276.3 by 28.3168466 which = 9.757 cubic feet. I entered these three parameters into the calculator with a Qtc. of 0.9. THe Answers were VB=0.816 cubic feet and F3=66.99 Hz. My question is; How can a 15 inch sub fit into a box that is less than a cubic foot? Or does someone see in my calculations where i went wrong. Any help would be really appreciated. I am really confused on this. Thanks

a l e x farris
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