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SoloXjeep
12-07-2006, 03:40 PM
I have a 2005 Jeep Grand Cherokee with the back measured at 44 inches wide, 36 inches deep, and to the top of the backseats is 17 inches.

I was thinking I could do a PORTED box with the dimensions of 40x30x20. I'm not too worried about the 3 inches above my backseats. With those measurements, I believe that is right at 13.9 cubes.

Do these dimensions look good for this subwoofer? Also, what does this box need to be tuned to for every day listening (Not SPL)? Isn't most rap music around 35Hz? 35 sounds good to me.

If someone could design me a box with the exact dimensions, that would be great! Also if you have any ideas or if you want to change anything around feel free to do so.

Thanks again,
David

rpfuror
12-07-2006, 03:54 PM
Here you go: This meets Kickers specs.

Desired Net Volume: 10.75 cu/ft
Desired Box Width: 40 inches
Desired BoxHeight: 30 inches
Desired Tuning Freq: 35 Hz
SQ Vent Width: 4 inches
Wood Thickness: 0.75 inches
Width= 40.00 inches
Height= 30.00 inches
Depth= 20.00 inches
Port Length= 12.52 inches
Port Area= 114.00 sq/in

Let me know if you want plans.

SoloXjeep
12-07-2006, 04:03 PM
Actually it's 30 inches deep and 20 inches high, sorry. But yeah, I'd appreciate the plans for that box.

Thanks

rpfuror
12-07-2006, 05:33 PM
Desired Net Volume: 11 cu/ft
Desired Box Width: 40 inches
Desired BoxHeight: 20 inches
Desired Tuning Freq: 35 Hz
SQ Vent Width: 6 inches
Wood Thickness: 0.75 inches

Output:
Width= 40.00 inches
Height= 20.00 inches
Depth= 30.00 inches
Port Length= 10.50 inches
Driver Volume= 10.99 cu/ft
Port Area= 111.00 sq/in


Box Cutts: X Y
Top / Bottom 40.00 30.00
Back 40.00 18.50
Face 33.25 18.50
Port side 29.25 18.50
Other Side 28.50 18.50
Port1 10.50 18.50

SoloXjeep
12-08-2006, 02:57 PM
Can you get me the same type of information just tuned to 32Hz?

rpfuror
12-08-2006, 04:22 PM
same thing but the Port1 14.75 18.50

SoloXjeep
12-09-2006, 07:51 PM
Can anyone get me a picture of this?

rpfuror
12-09-2006, 11:42 PM
http://i135.photobucket.com/albums/q145/rpfuror/11cuft_32Hz.jpg

crazy4ozs
12-10-2006, 12:22 AM
holy **** thats a hell o fa box...go'd dam...SUBSCRIBED!

dvrmstrng
12-10-2006, 12:26 AM
just a tad bigger than mine...sure you dont wanna tune lower for daily...im telling you if your not worried about SPL i love my 28htz

PV Audio
12-10-2006, 01:50 AM
Here you go: This meets Kickers specs.

Desired Net Volume: 10.75 cu/ft
Desired Box Width: 40 inches
Desired BoxHeight: 30 inches
Desired Tuning Freq: 35 Hz
SQ Vent Width: 4 inches
Wood Thickness: 0.75 inches
Width= 40.00 inches
Height= 30.00 inches
Depth= 20.00 inches
Port Length= 12.52 inches
Port Area= 114.00 sq/in

Let me know if you want plans.
If I may ask, how'd you design that box? <14 minutes is an astonishingly short amount of time to design an enclosure.

kicker06
12-10-2006, 06:15 PM
http://i135.photobucket.com/albums/q145/rpfuror/11cuft_32Hz.jpg

Except it's square...

Big *** port, though.

rpfuror
12-10-2006, 06:30 PM
If I may ask, how'd you design that box? <14 minutes is an astonishingly short amount of time to design an enclosure.

I designed the box in a program I wrote that calculates port size base on tuning or port volume and gives susgested dementions. Then I take the output and plug it into sketchup and a windows calc ;)

With that box the port width could go maybe an inch smaller. Currently its tuned to 32Hz.

PV Audio
12-10-2006, 07:38 PM
I'll trust that it's correct, I've never designed nor seen a box designed in under 15 minutes though.

rpfuror
12-10-2006, 08:22 PM
I do some type of engineering design every day at work. The math for basic box design is pretty easy compared to what I deal with day to day.

The design software is within .01 cu/ft and relies heavily on acurate drive spec, but works pretty well. I have designed and built 14 boxes (since I got back into car) auto with excelent results, based on the script.

SQllover
01-06-2007, 12:55 PM
How could I fit a box into my legend sedan? I have 18" high x 36" wide x 36" deep to work with. Specs call for 5000 watts rms in 5 cube box tuned to 35. I haven't seen all their different enclosures though. Maybe I could go bigger. I know nothing about enclosures.