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Can somebody help me model a box (willing to pay for cut sheet)

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Old 10-29-2010, 01:00 AM
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Can somebody help me model a box (willing to pay for cut sheet)

I'm looking to build a box for a single 10W6v2 that fits along the back of my trunk like so:


I would like to get it ported to JL's specs (.75 cuft tuned to 37.89hz), preferably with the port below the sub (I'm not sure how much clearance there is from the roof to the floor, so this may not be an option).
http://mobile.jlaudio.com/products_s...hp?series_id=6

Obviously one of the main challenges is contouring the box to fit flush with the trunk, which is one of the main reasons I am trying to pay somebody for a cut sheet.

Thanks for your help
 
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Old 10-29-2010, 01:11 AM
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Def wanna tune lower than that for a sq sub
 
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Old 10-29-2010, 01:35 AM
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Tip from the pros: Cardboard is your friend.

Take a cardboard box, cut it up, use a....**** what are they called....the thing that helps you draw circles....extend it so the pensil portion of it will still hit cardboard even at the deepest part and simply trace the sidewalls. Fill in the pensil mark so it's easy to see, cut around the pensil mark, make your measurements of distance from side to side and transfer to a piece of 3/4" MDF.

It's unlikely you'll be able to fit a port underneath the subwoofer like you want to do. Most likely you'll have to have the port on one side or the other of the subwoofer (or use dual ports for a "uniform" look)
 
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Old 10-29-2010, 01:37 AM
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Note: You may have issues fitting the face because of the size of the opening. Best bet is make a wood template out of like 1/4" MDF or something cheap but sturdy and see if you can fit it in there without cutting it in half
 
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Old 10-29-2010, 07:12 PM
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Originally Posted by eggyhustles
Def wanna tune lower than that for a sq sub
My thoughts too, but the optimal box is 1.93 cubes tuned to 24hz. I'd rather build a .75cuft box & see whether or not I like it first

Originally Posted by Itzmy04G35
Tip from the pros: Cardboard is your friend.

Take a cardboard box, cut it up, use a....**** what are they called....the thing that helps you draw circles....extend it so the pensil portion of it will still hit cardboard even at the deepest part and simply trace the sidewalls. Fill in the pensil mark so it's easy to see, cut around the pensil mark, make your measurements of distance from side to side and transfer to a piece of 3/4" MDF.

It's unlikely you'll be able to fit a port underneath the subwoofer like you want to do. Most likely you'll have to have the port on one side or the other of the subwoofer (or use dual ports for a "uniform" look)
I know cardboard is awesome, I plan to utilize it for the amp rack. I'm just not good as designing boxes, so a cut sheet would really help
 

Last edited by LiquidClen; 10-29-2010 at 07:30 PM.
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Old 10-29-2010, 07:25 PM
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You can stuff with polyfill
 
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Old 10-29-2010, 08:55 PM
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Originally Posted by LiquidClen
My thoughts too, but the optimal box is 1.93 cubes tuned to 24hz. I'd rather build a .75cuft box & see whether or not I like it first
Originally Posted by eggyhustles
You can stuff with polyfill

Having enough airspace for that woofer isn't going to be a problem, it would be better to build the box big, then if needed you can polyfill the larger box if needed. If you were looking for some 2+ cubic foot box then i would recomend polyfill but you're talking less than 1 cubic foot, it's not going to take up any extra space to build it slightly bigger.
 
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Old 10-30-2010, 11:26 AM
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someone correct me if i'm wrong but i thought polyfill was used on a smaller box to slow down the waves to make the box "appear" larger to the woofer.
 
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Old 10-30-2010, 03:25 PM
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Originally Posted by smittyrock
someone correct me if i'm wrong but i thought polyfill was used on a smaller box to slow down the waves to make the box "appear" larger to the woofer.
Correct. Good audio education! I read this article back when I was DIY, which shows my age
http://www.nousaine.com/pdfs/Box%20Stuffing.pdf
 
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Old 11-07-2010, 11:36 PM
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nobody designs boxes?!
 
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