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Ok, someone requested that I post pictures from when I designed a subwoofer box using a computer program... I'll start out with the project..


I had a 1999 Jeep Cherokee Sport, and decided to custom design and build a subwoofer box for my 15" JL W0 subwoofer. Below is a picture of my Jeep...

[url='http://www.newnorth.net/~lklncr/sub/jeep1.jpg']http://www.newnorth.net/~lklncr/sub/jeep1.jpg' alt='' width='1000' height='659' class='attach' />[/url][/url]

Here's is an rough design I drafted on my computer...not too technical ;)

[url=http://www.newnorth.net/~lklncr/sub/roughdesign.jpg][url='http://www.newnorth.net/~lklncr/sub/roughdesign.jpg'][img]http://www.newnorth.net/~lklncr/sub/roughdesign.jpg' alt='' width='557' height='348' class='attach' />[/url][/url]

I did measurements of my Jeep to find the required dimensions for a custom fit:

[url=http://www.newnorth.net/~lklncr/sub/seat.jpg][url='http://www.newnorth.net/~lklncr/sub/seat.jpg'][img]http://www.newnorth.net/~lklncr/sub/seat.jpg' alt='' width='602' height='342' class='attach' />[/url][/url]

I ran the program called UniBox (which can be found at: [url=http://home20.inet.tele.dk/kou/ubmodel.html]http://home20.inet.tele.dk/kou/ubmodel.html[/url] ), input the parameters of my subwoofer, and basic box requirements. Below is a condensed image of the program output:


[url=http://www.newnorth.net/~lklncr/sub/program.jpg][url='http://www.newnorth.net/~lklncr/sub/program.jpg'][img]http://www.newnorth.net/~lklncr/sub/program.jpg' alt='' width='650' height='972' class='attach' />[/url][/url]

[url=http://www.newnorth.net/~lklncr/sub/excusion.jpg][url='http://www.newnorth.net/~lklncr/sub/excusion.jpg'][img]http://www.newnorth.net/~lklncr/sub/excusion.jpg' alt='' width='952' height='683' class='attach' />[/url][/url]

Now onto calculating the other dimensions of the box to meet the calculated volume of the box...

[url=http://www.newnorth.net/~lklncr/sub/dimensions.jpg][url='http://www.newnorth.net/~lklncr/sub/dimensions.jpg'][img]http://www.newnorth.net/~lklncr/sub/dimensions.jpg' alt='' width='1129' height='759' class='attach' />[/url][/url]

And what makes a complete modification to any American car? Of course! A neon!!! Below is my simple hand drawn layout of a relay that is going to go on a pre-fabbed PCB (printed circuit board) that I purchased at radio shack.

[url=http://www.newnorth.net/~lklncr/sub/neon.jpg][url='http://www.newnorth.net/~lklncr/sub/neon.jpg'][img]http://www.newnorth.net/~lklncr/sub/neon.jpg' alt='' width='259' height='336' class='attach' />[/url][/url]

Here are the results:

[url=http://www.newnorth.net/~lklncr/sub/subfinal.jpg][url='http://www.newnorth.net/~lklncr/sub/subfinal.jpg'][img]http://www.newnorth.net/~lklncr/sub/subfinal.jpg' alt='' width='1000' height='906' class='attach' />[/url][/url]

[url=http://www.newnorth.net/~lklncr/sub/customboxlit.jpg][url='http://www.newnorth.net/~lklncr/sub/customboxlit.jpg'][img]http://www.newnorth.net/~lklncr/sub/customboxlit.jpg' alt='' width='1024' height='768' class='attach' />[/url][/url]

It sounded excellent; hit lows and highs which was my goal for my 15" sub which normally only beats on low frequencies... I could of went a lot more in depth...if you have any questions please feel free to ask.


Jesse
 
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