Buck is doing free box designs...

[Buck 5,000+ posts]

Now offering 3D designs if you ask.

 

[Buck 5,000+ posts]

Here's on I did in 3D

 

[randy8876 10+ year member]

If you're up for dabbling in a 4th order design I have one for you (although what I want might not be possible).

I've been reading and reading and still have questions. I'm considering building a stealth box for a 12W7 or 13W7, but for it to be stealth I have a lot of requirements.

I went on this calculator:

Bandpass Subwoofer Box Design (Fourth-Order)

Figured with a .7 S factor:

Volume vented 1.416 ft

Volume sealed 2.327 ft

Freq tuned to 37.5Hz

F3 23.1

Passband 23.1-60.9

Gain .04

Running the numbers through WinISD I got:

Vol vented 1.388

Vol Sealed 2.228

Tuned to 38.19

I've read the online calculators can be a little off for BP enclosures, so what volumes would you go with?

If I do this it would be in my hatch area. The flat area I have to work with is 37"x24"x7". It sits on top of the spare tire well which is 23"x17"x9". It is about 5 ft^3 total to work with.

How do you figure the port sizes? Is it based off tuning the combined volume or just the volume of the vented portion?

I could go with up to two 5" round ports or possibly two 6"x6" square ports. If I need more port area I'll have to scrap the project completely, as there are only 2 locations I can place the ports.

Thanks for the help.

 

[posjr408 10+ year member]

Can you help me out. I built a box 11cubic box tuned @30hz. My issue is I made 4x 4" ports 10" in length. I'm wondering if my port size is to small. This is for 4x 12" type r's. Thanks

 

[SpedBoy 10+ year member]

still wondering if your ever gonna get around to doing the box for my 12 thanks pm me if your gonna

 

[Buck 5,000+ posts]

I have to discontinue doing these again //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

Leaving college so I don't have internet at my house. I'll let all of you know when I can do them again. It will probably be a while though.

Sorry for the inconvenience.

 

[1rockford1 5,000+ posts]

I have to discontinue doing these again //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif
Leaving college so I don't have internet at my house. I'll let all of you know when I can do them again. It will probably be a while though.

Sorry for the inconvenience.

c

u

n

t

 

[RAM_Designs 5,000+ posts]

Leaving college so I don't have internet at my house.

Where are you going to school at, and what for?

 

[Buck 5,000+ posts]

Where are you going to school at, and what for?

I'm a UT Knoxville. I'm leaving here though. I'm might have not stated that very well in my previous post. Don't have any internet in my little home town //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

 

[1rockford1 5,000+ posts]

bye bye baby

 

[RAM_Designs 5,000+ posts]

Don't have any internet in my little home town //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

That blows. I dealt with no internet for a couple of days this month while I was moving...damn near drove me to insanity(I also didn't have any TV).

 

[Buck 5,000+ posts]

That blows. I dealt with no internet for a couple of days this month while I was moving...damn near drove me to insanity(I also didn't have any TV).

It's back to playing the PS3 during my spare time.

 

[1rockford1 5,000+ posts]

blowing guys?

 

[pumpkinman 10+ year member]

Thanks..For offering such a service for free.Not many would..

 

[sooperxtool 10+ year member]

dang... I was just about to ask if you could do one for me. I'd gladly donate 5 bucks for your hard work.

I have messed around with enclosure design programs but I just have a hard time with it.