Subwoofer box dimensions

 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 263
Registered: May-07
how do i get dimensions for a 3.5 cubic box with it at 32 hz
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 264
Registered: May-07
help plz its for 2 12s
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 265
Registered: May-07
?????
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 266
Registered: May-07
abyone
 

Gold Member
Username: Cblaze

Rock island, Tenesssee Us

Post Number: 1547
Registered: Sep-07
http://www.subwoofertools.com/forum/ported-box.asp
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 267
Registered: May-07
how do i figure out the dimension that i will need though thats were im lost
 

Gold Member
Username: Cblaze

Rock island, Tenesssee Us

Post Number: 1549
Registered: Sep-07
what u mean,do u mean will it fit in your vehicle??
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 268
Registered: May-07
no it asks for the xterior dimensions and that wat i dont know how to get i know its suppose to be 3.5 cubes at 32 hertz but thats it
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 269
Registered: May-07
or do i just put wat i can fit in it
 

Gold Member
Username: Cblaze

Rock island, Tenesssee Us

Post Number: 1554
Registered: Sep-07
enter in how ever wide and tall u want the box,and it will do the rest.u enter how many cubic ft u want on there.and it gives u demensions.notice u dont enter the depth u want.that is because it tells u the depth u need to get that amount of airspace
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 270
Registered: May-07
is it an acurate program
 

Silver Member
Username: Phil_salisbury

Post Number: 500
Registered: Sep-06
Not all if any enclosure design programs account for some details when calculating the enclosure's final specifications, so be mindful of what is and is not part of the design that you need to account for.
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 271
Registered: May-07
as in what
 

Silver Member
Username: Phil_salisbury

Post Number: 501
Registered: Sep-06
Each program is different as to what elements they do and don't account for, but, if you looking for a list of what the elements are, here it is:

Net Volume - That which only the subwoofer requires.
Subwoofer Displacement - Volume of the subwoofer
Port Volume - Volume of the Port - round, square, slot port size.
Port Wall Volume - MDF Parts that make up port or tube.
Bracing Volume - Material used brace the interior of the enclosure.
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 272
Registered: May-07
so what would u say is missing that i need to account for
 

Silver Member
Username: Phil_salisbury

Post Number: 502
Registered: Sep-06
OK, if you use the program per the link posted, it covers all the elements with the exception of BRACING.

If your not going to use bracing, then don't sweat it.
 

Gold Member
Username: Cblaze

Rock island, Tenesssee Us

Post Number: 1555
Registered: Sep-07
justin it must be accurate,thats what like half the ppl on here use to get box designs.
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 274
Registered: May-07
awesome sounds good to me wats a double baffle though
 

Silver Member
Username: Phil_salisbury

Post Number: 505
Registered: Sep-06
Chris,

There's no true accurate enclosure design program, if there were one, then there wouldn't be or the need to have so many different calculator's all over the internet.

Off hand I would say there are at the very least 10 to 15 enclosure design programs/calculators on the net right now and there are only a few that actually provide a " CUT LIST/Parts List " to make the job easier which is why they are " popular ".
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 275
Registered: May-07
awesome sounds good to me wats a double baffle though
 

Gold Member
Username: Nyyfan13

15 MAG USA

Post Number: 8082
Registered: Jul-06
A double baffle is just using 2 sheets of MDF on top of each other to make it stronger. Instead of having the sheet be 3/4", it would be an 1.5".
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 276
Registered: May-07
do u need to do that
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 277
Registered: May-07
do u need to do that
 

Silver Member
Username: Drant19

DUB-C, TX

Post Number: 279
Registered: Aug-07
you dont NEED to if you have good bracing
 

Gold Member
Username: Cblaze

Rock island, Tenesssee Us

Post Number: 1556
Registered: Sep-07
ive always wondered wat happens if ya dont brace it or double up thew wood with high powered subs?does the box flex like crazy?
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 278
Registered: May-07
well will i need to double baffle or brace it or should i be ok
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 280
Registered: May-07
???
 

Gold Member
Username: Shortysetnies

Rock Vegas, NC US

Post Number: 1772
Registered: Mar-06
It all depends. What sub are you running, how much power? for the average system, no double baffle but a little bracing always helps...
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 282
Registered: May-07
well it will be 2 12 bms and a usampos md2d
 

Gold Member
Username: Shortysetnies

Rock Vegas, NC US

Post Number: 1775
Registered: Mar-06
I would defiantly do bracing and a double baffle will never hurt but I wouldnt say it was nessicary in your case
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 283
Registered: May-07
well would bracing change the freaquency or anything and how do u do it also the doublew baffle is just another front panel then right
 

Bronze Member
Username: Stevil

Post Number: 37
Registered: Jan-08
Okay.. does this program take the port displacement into consideration?
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 284
Registered: May-07
http://www.subwoofertools.com/forum/ported-box.asp?Ew=29&Eh=18&Dia=6&Xmax=16&Vd= 1.75&NumW=2&Vb=3.5&Fb=32&Qts=&Vas=&Fs=&CE=1.5
thats wat it came up with
 

Silver Member
Username: Pbplayer05

Carroll, Iowa

Post Number: 286
Registered: May-07
?
 

Gold Member
Username: Cblaze

Rock island, Tenesssee Us

Post Number: 1562
Registered: Sep-07
if thats what it came up with build it
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