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mustangowner
05-06-2005, 02:39 PM
I now have 2 Alpine type R's...swr-1021d...I have them in a sealed box. I have designed a ported box tuned to 32hz. Just want to check to see if I'm doing this right...Heres what I got.

it will be two seperate boxes as follows...

Height---10"
width---15"
depth---23 1/4"
# of ports---1
Port diameter---3"
sq port ratio H:W=1
gross box volumn---1.294^3
net box volumn---1.242^3
Port length---12.725"
Port area---7.069^2
port volumn---0.052^3
Square port dimensions---Height=2.659"
Width=2.659"

will this be ok for these subs. The recommended volumn (ported) is 1.25^3 per sub. Any help will be appreciated.

mustangowner
05-06-2005, 03:17 PM
Anyone???

djman37
05-06-2005, 04:16 PM
i'm sorry, what? I couldn't get past your avatar....

mustangowner
05-06-2005, 04:18 PM
Could you help? big azz **** gotta luv em'

djman37
05-06-2005, 04:26 PM
I'm no WinISD master. I'm sure someone will be along shortly though!

mustangowner
05-09-2005, 07:05 AM
can someone please help?

mustangowner
05-10-2005, 06:57 AM
hmmmm...maybe if I keep bumping it to the top someone will eventually see it and try to help me. :up2somet: :rolleyes:

Mooseaudiophile
05-10-2005, 10:03 AM
id help but man do i suk at trig and etc...

avs20
05-10-2005, 10:24 AM
You need to add more ******* to the length, and your port needs more ******* as well. Your tuning is a little short for those *******. Perhaps you should try some aeroboobies.

Glad I could help!
*******.

mustangowner
05-10-2005, 11:02 AM
:laugh: funny funny funny. all i got outta that was *******= inches?, cubic inches?, and subs?

Decipha
05-10-2005, 11:35 AM
I now have 2 Alpine type R's...swr-1021d...I have them in a sealed box. I have designed a ported box tuned to 32hz. Just want to check to see if I'm doing this right...Heres what I got.

it will be two seperate boxes as follows...

Height---10"
width---15"
depth---23 1/4"
# of ports---1
Port diameter---3"
sq port ratio H:W=1
gross box volumn---1.294^3
net box volumn---1.242^3
Port length---12.725"
Port area---7.069^2
port volumn---0.052^3
Square port dimensions---Height=2.659"
Width=2.659"

will this be ok for these subs. The recommended volumn (ported) is 1.25^3 per sub. Any help will be appreciated.


I get 2 cubes for the box and i assume 10 x 15 x 23 1/4 is the INTERNAL area but either way that box isin't a good idea, if you plan on mounting a 10" on a 10" board chances are it's either not going to fit or not be very strong, i would recommend making the height at least 12 inches that way you have more room to play with and a better chance of not cracking the wood or chipping it when you mount the sub... the other calculations may be correct but i didn't check them when you design a new box post the measurements and i would be more than happy to help you.

mustangowner
05-10-2005, 12:17 PM
my sealed box is exactly 10" tall and the subs fit fine. didnt chip wood either.