Don't use that, bcae is a great site btw. But you must do some of the math yourself. I haven't found a box design program that works well yet! A 2" port is to small. This box will use a 5.25" x 1" port. It is ~24" long. This makes the box a bit harder to build, but it can be done. I used 1/2" MDF in this design to give more volume in the box. If you can please make the bottom 3/4" Also add a brace in the middle of the box touching the port wall. (i didn't draw it in - sorry I'm tired) I can help with any questions you have, PM me if you want my number.i came up with a ported at 0.605 @35
but
Basic Car Audio Electronics keeps saying this....
**ERROR** Check your dimensions. The port is too long to fit inside the enclosure. You may need to use a curved port, less port area or a higher tuning frequency.
my port length is 10.26?
thats witha port diameter of 2. if i change it to 1 then the error goes away