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Need help designing enclosure for 18" BTL

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mk_

mk_
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Tempe, AZ
Hey guys,

My next build is with a FI BTL 18" fully loaded.

These are the dimensions I would like:

HEIGHT: 22 inches

WIDTH: 37 inches

DEPTH: 21 inches

I was throwing around the idea of having a slot port on the top of the enclosure like this sad drawing portrays:

box.jpg


Tuning I want to be around 35hz. Any box calculators I can use to determine the cuts for a box like this?

Or any other suggestions are welcome too.

Thanks,

Michael

Click to read more...
 
It will be going in a Dodge Stealth.

These dimensions will fit, just not sure how to calculate the box with the port on top.

 
Well, I currently have a slot port vertical behind the drivers seat. I was looking for something different, hence the top horizontal slot port idea. Crunching numbers it looks like I might not be able to fit it. I have 22" height to work with, 18" approx goes to the speaker alone, another 1.5" for thickness of mdf, leaving me with a small port width...

So I don't think that is going to work.

Port on both sides does sound pretty intriguing however..... not sure where to even start with it though..

Open to ideas!!!

Michael

 
^^^The way you want to do it with the port above the sub won't work...it's just too skinny of a port. I've been designing a few boxes with the two ports, one on each side, for one sub. You're got a little over 8.2ft^3 to work with, which is plenty since you'll probably end up with right around 6ft^3 after all displacement.

 
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mk_

mk_

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mk_
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