First vented enclosure

kevinberry1 · Post by **kevinberry1** » Wed Apr 30, 2008 9:38 am

Bwcad1 wrote:What do you want to tune it 2?

and are you saying the box recommended size is 318.75 cubic inches?

No that would be the port volume that was recommended: 25 in sq x 12.75. I don't know if that volume stays the same or what.

The box is recommended to be 2.5 before displacement and port size. I was trying to tune it 2 the recommended Fb of 39 hz and F3 of 36 hz.

Bwcad1 · Post by **Bwcad1** » Wed Apr 30, 2008 11:30 am

No that wont stay the same.

so you want to use 2.5cf ill get you a port length in a second

Bwcad1 · Post by **Bwcad1** » Wed Apr 30, 2008 11:33 am

Ok if your total height is 16.5 your port will be 15 inchs tall make it 3.5 inches wide problem with that is it makes your port 33.5in long. and 2.5 for a 15 is really really small imo.

i would make your box 4CF before displacement with a 15 x 3 inch port and a length of 15in should tune you between 37-40

kevinberry1 · Post by **kevinberry1** » Wed Apr 30, 2008 11:59 am

Bwcad1 wrote:Ok if your total height is 16.5 your port will be 15 inchs tall make it 3.5 inches wide problem with that is it makes your port 33.5in long. and 2.5 for a 15 is really really small imo.

i would make your box 4CF before displacement with a 15 x 3 inch port and a length of 15in should tune you between 37-40

Sending you a PM

Bwcad1 · Post by **Bwcad1** » Wed Apr 30, 2008 12:04 pm

Going to read the PM

NorthQuad · Post by **NorthQuad** » Thu May 01, 2008 11:05 am

How was the PM?

Bwcad1 · Post by **Bwcad1** » Thu May 01, 2008 12:11 pm

kevinberry1 · Post by **kevinberry1** » Thu May 01, 2008 12:43 pm

Bwcad1 wrote:sexy

glad to hear it was as good for you...

kevinberry1 · Post by **kevinberry1** » Thu May 01, 2008 3:39 pm

Okay enough gay crap :)
I ran some different calculations in Winisd with different sealed and vented enclosures ranging from 2.5 to 4.0
I'd like to run 4.0 ft3 but I think that will take up too much of my trunk so I'll probably have to do 3.0 or 3.5 either sealed or vented. What do you guys think which looks best given my limitations??...

Ryan from Ohio · Post by **Ryan from Ohio** » Thu May 01, 2008 4:04 pm

if thats the magnitude graph its horrid!

Get me some spec or I will see if I can find some and whip up a size/port combo for ya.

You will have to figure the box end size out though. I will get you height and depth.