View Full Version : Venting

08-21-2003, 11:53 AM
ok I have a 5^ft box and it is vented to 45hz,
I need to retune this box to 30.

here are the l,w,h of the vent,
13 long,
6.5 wide,
11.25 high.

how long would I have make the length to tune it to 30hz if I kept the H,W the same?