View Full Version : some help needed

matrxx dude
09-09-2006, 10:48 PM
im going to build my 18 mt a box tommorrow,the dimensions are 16'' tall,22''deep and 41'' wide,the sub will be firing up,im wanting to do a slot port accross the back bottom 3'' tall and 41'' long,my question is i want to tune it about 32hz,wat lenghth port would be needed.thanx

matrxx dude
09-10-2006, 12:16 AM
come on guys,i know some of u know the answer.

09-10-2006, 12:17 AM
you don't want a 3" x 41" port

max ratio should be 8:1 or 6:1, i can't remember

09-10-2006, 12:56 AM
i thought it was 9:1, but didnt say anything cuz i think i remember seeing people wiht ports like that

matrxx dude
09-10-2006, 10:48 AM
can somebody tell me wat they would do here with the port and length.thanx

09-10-2006, 11:12 AM
do a port on the back or side, top to bottom, so 16" by whatever

matrxx dude
09-10-2006, 11:27 AM
ok but wat length port ,like say 35hz