406er 10+ year member
box builder extraordinair
your box is 15" high. so how do you have a 15" port??Port is 15 "'s vertically... and it goes in 13" and the qidth is 3.5" I kno for sure its not tuned to 37 hz...
post a pic of the box dude. i asumed if the box is 15" tall you will have a 13.5" tall port, wich is why my "tuning" is off