bp. does port go in or outside

[robertoyoung08 10+ year member]

when you make a bp box is it best to have the port where the motor of the sub is or outside where the cone is?

just wondering. ive seen both types of boxes. whats the difference? which is better?

ex:

port inside with the woofer motor:

port outside, where the cone fires:

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[bsean63 10+ year member]

triple poster..

but to answer u i didnt even read your q