Ported Box for 2 P3D4-12's - First Time Builder

[ALopezJr]

Need some help building my first box. Looking to do a ported enclosure for 2 P3D4-12's but not sure on how to tune the port. I was wondering if these would work in a box with a external measurement of L32xW18xH15? I might be able to go slightly larger but do not want to sacrifice to much trunk space. I have an idea for another design but I would have to take a picture of the drawing and upload it here if the above design doesn't work. Thanks for any help you guys can provide.

[Triticum Agricolam]

The dimensions you gave put you a bit on the low side for two 12"s.  How much bigger can you make the box?  

How much power are you going to be running?

[ALopezJr]

I thought it would be, I'll upload a picture of an idea I had and hopefully it adds enough. It basically goes up on the sides about 3 inches and then extends to 37 inches. So it would be 32 inches on the bottom, raise 3 inches then go over the wheel wells to 37 inches. I was planning on getting a Rockford Fosgate R1200-1D.

[ALopezJr]

Here are the ideas I had, hopefully you can see them. Not sure if the box will be big enough.

[ALopezJr]

I need to measure my trunk opening to see if this is even possible, building this for a 2008 Dodge Charger.

[ALopezJr]

I just measured my trunk opening and the above design might not work. I might be able to go from 18 to somewhere between 19-21 inches. Or if a sealed enclosure is a better fit I can go with that instead. Trying to keep as much trunk space as possible. I mentioned it above but I will like to run the Rockford Fosgate R1200-1D amp.

12 hours ago, Triticum Agricolam said:

The dimensions you gave put you a bit on the low side for two 12"s.  How much bigger can you make the box?  

How much power are you going to be running?

Thanks for your help so far.

[ALopezJr]

If anyone has any advice on a seal enclosure since I am limited on space it would be greatly appreciated. I am looking at doing a L32xW??xH15 enclosure where I am not sure on the width. I would like to keep the chambers separate if going with the sealed one and include any needed bracing.

Now if anyone has a idea on a ported enclosure that fits with these measurements L32xW??xH15 where I would go with your recommended width I would love to hear about it

I appreciate any and all help you guys can provide.

[Triticum Agricolam]

I would use the first picture with the port in the middle vs the port on the bottom.  Based on the dimensions you gave you should be able to make something work.  As long as you can get at least 3.5 cu ft of net internal volume and about 40 sq in of port area you should be fine.