Here are the dim. of my box. Just to help out fellow 04 Screw owners out in case your interested.


33''wide total. 17''wide were the subs are mounted and 16 over the hump.
Whole box is 11.75'' deep.
5.5'' in front and 4'' in back over the hump due to the angle of the seat.
6.25'' in front and 4.75'' in back were the subs are mounted.
The little leg on the side the holds up the box is 7'' deep from the front and 1.75'' tall.
Box is made of 5/8'' MDF.
Look at my box in my Gallery and you will understand what all of this means.

 

I was wondering if you could give me some info on how to determine the length for the port. what equation do you use to determine the tuning frequency?

thanks in advance. once again nice box and thanks for sharing your design

 

Here are a couple of sites to help you out.

http://www.linearteam.dk/default.asp...ventcalculator

http://www.bcae1.com/

Good luck!

 

GG, If you want to post up your driver and airspace, i would be happy to help you out.

Great job Dupuis!

 

I also have software on my computer that helps with everything. Like Steve said give up internal box vol., number of drivers, driver displacement if you have it and what they are and we can give you a port size as to what tuning you want your box.


Thanks Steve!

 

Thanks for the info do you care if i put them on my site???

check it out



http://www.angelfire.com/ultra/enclosure/

 

I don't mind.

 

Dupuis,

I was wondering what your final enclosure volume was? Thanks.

 

.5 cu. That's after sub and port displacement. Keep in mind that the subs I used call for .5 for each ported. I just didn't have the room. I just gave it a shot and put 2 of them in .5 ported. It worked out great with the RE8s. I can't say if it would work that way for any other 8'' sub. .5cu would be plenty for 2 8'' subs sealed though. Just depends on how much bass out put your looking for and if the subs you go with do well ported in that little of space.
Now what you could do to gain more volume is make your box go all the way across over to where the jack is mounted. You would have to find another spot for the amps, but that might make the sub you go with preform better if you want to go ported. Let me just say that these RE8s do amazing in the small area I put them in ported.
Good luck!

 

Just an

If you use all the room under the seat you can get a total of 1.2 ft3 before the subs and ports are figured in.

 

Thanks Steve, good to know!

 

Dupuis:
In regards to the leg/front height, 7" - 1.75" = 5.25" ... but you quote the front height of the box in this area as 6.25". Where is the mistake? Is the box total height 7" or 8"?

 

Sorry for the delay, I was out of town for the week.
6.25" is the box itself without the leg, and the leg is 1.75". So the whole side where the leg only is would be 8" in the front and 7'' where the leg ends towards the back of the box due to the angle of the box and seat. The leg does not go all the way to the back of the box. Again only on the side where the leg is. You can see that in the picture. Does that make sense?

 

Sure does. Thanks Dupuis. I'm currently building a similar enclosure that squeezes 6.5" of box with a 1.5" leg under the 2001 rear seat. Should be done in a couple weeks - depending on my travel schedule.

 

Cool, good luck.