Trouble With Box Design and Sizing

[chartman18 10+ year member]

I looked through the box plans, and I couldnt find anything good/close to the specs I need for my trunk.

I plan on getting another Type-R 12" subwoofer, to have a total of 2 Type-R's. I already have a single Type-R in the trunk, with specs of 32" leg, 14" ht, and 16.5" dia (32/14/16.5) ported.

Now my trunk is really small compared to your average car. I have trouble getting that box in my trunk. Because of this, I have also have trouble thinking of ways to get a box that will support 2 12" that suits the Type-R's needs fitting in my trunk. Supposedly they need around 2-2.5 cubic feet each, and right now, my box is 2.5 tuned at 32 hz.

So basically, I was wondering if you guys can help me with a box designed suited for 2 Type-R 12" subwoofers with around I dont know how many cubic feet, so Im guessing 4-5 cubic feet, as long as it fits under the specs of 38" length, 14" height, and 22" diameter MAX. I want this to be ported, so put that into account too.

If you can help me with this, I'd appreciate it alot. Thanks.

(PS: I already searched this forums on similar topics, nothing much helpful came up, and the Box Plans thread didnt have anything related to what I need)

Click to read more...

 

[rpfuror 10+ year member]

That's pretty tight, you can get enough volume for the driver if they are in the same chamber, but it would be cutting it close with the port.

Can you go another 1-1.5" more in dept?

 

[rpfuror 10+ year member]

here is one @ 4.5 net @ 32Hz

 

[chartman18 10+ year member]

Ohh, d@mn, 1 inch off, I checked all my measurements in my trunk in everyway possible of getting my box inside, and thats the biggest I could go in depth, 22" inches, so i dont think that will fit. Maybe make one around 4-4.4 cubic feet at 32 hz though?

 

[Lonewolf32 10+ year member]

4.3 @32Hz

Box external = 38 X 14 X 20.25

3.5" X 12.5" Slot port

Port Length = 21.5"

 

[chartman18 10+ year member]

4.3 @32Hz
Box external = 38 X 14 X 20.25

3.5" X 12.5" Slot port

Port Length = 21.5"

That sounds good. Is there any way you can get me a sketchup of that with wood lengths, diagrams and such? I'd appreciate it.

 

[baseballer1100 5,000+ posts]

That sounds good. Is there any way you can get me a sketchup of that with wood lengths, diagrams and such? I'd appreciate it.

All for free?

 

[chartman18 10+ year member]

All for free?

Um, if you wanna sound selfish, be my guest, but the last time I checked, there were already people in this thread posting free sketchups with lengths of the wood, and I appreciate them for it.

So anyone feel like making a 4.3 cu.ft. at 32hz sketchup with your box programs or whatever you use, lol, once again, I'd appreciate it.

Thanks.