looking for info about spl
how to made box for spl
big box more port = more spl?
how to measure a box for some subs? how big?
more port at smaller box?
i know hot to make subwoofer boxes but nothing special know about cu ft how to tune a box, 45 cornes and something about kerf so not that noob
how to use thiele parameter for a box
thanks for any reply will help