Box confused

 

Gold Member
Username: Van_man

Boston South, MA

Post Number: 1076
Registered: Mar-06
I making a box soon for a JL12W6.
JL suggests a box
26.25 W x 14 T x 13 D
with port 1.5 x 12.5 x 29

that other site give this after plugging in all the numbers
26.25 wide x 14 tall x 19.25 deep.
tuned to 26.45hz with 2.35 cf.

So who do I trust? Also 26.45 hz seems a little low too, I was going to go higher ~ 35-38 or so, but i am not sure what to do now. Lastly, I have know idea what the JL spec box is tuned to. Should I just make all three and see which sounds better? or does anyone else have a better idea?
Thanks.

BTW, my new addition to the van of slam.

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Gold Member
Username: Van_man

Boston South, MA

Post Number: 1080
Registered: Mar-06
So, this must be a tough one, cause no one responded, ie. bump
 

Gold Member
Username: Van_man

Boston South, MA

Post Number: 1081
Registered: Mar-06
So, this must be a tough one, cause no one responded, ie. bump
 

Gold Member
Username: Van_man

Boston South, MA

Post Number: 1084
Registered: Mar-06
bump?
 

Gold Member
Username: Van_man

Boston South, MA

Post Number: 1086
Registered: Mar-06
anyone?
 

Gold Member
Username: Southernrebel

Monroe, Louisiana USA

Post Number: 3601
Registered: Mar-04
those recommended boxes are for SQ.

i would tune to ~32-35hz for SQL w/ that subs for dialy.

try ~2cuft net.
 

Silver Member
Username: Phil_salisbury

Post Number: 111
Registered: Sep-06
Marc,

I just looked over the JL spec's and that port is not tuned to 33hz not 26hz.

Also, different enclosure design programs are going to give you mixed outputs as to tuning.

He!!, everytime I plug JL's spec'd enclosure's into BBP 6 the port tuning is always alittle higher than the spec.

Just build the JL spec'd enclosure, you be more than satisfied with the bass response.
 

Gold Member
Username: James1115

Ct

Post Number: 7127
Registered: Dec-04
I have been running my 12w6v2 in a ported box by JL spec's and it sounds fantasatic:-)
 

Silver Member
Username: Phil_salisbury

Post Number: 112
Registered: Sep-06
Correction:

The box is tuned to 33hz not 26hz
 

Gold Member
Username: James1115

Ct

Post Number: 7130
Registered: Dec-04
Yeah phil Jl claims it is 32 so 33 sounds right if you said it is normally a tad higher then they say. Phil I have to take some measurements in my truck and send them over to you for an enclosure. Have you ever done one for a dodge ram quad cab in the center front seat where the center console is? it is a 2003 so it is the newer body sytle. JL makes one to go there that is sealed but I want one ported that the sub fires down to the floor and the port goes forward, almost like a Home Theater sub set-up. Do you think you could do this?
 

Gold Member
Username: Van_man

Boston South, MA

Post Number: 1088
Registered: Mar-06
thanks guys
 

Silver Member
Username: Phil_salisbury

Post Number: 114
Registered: Sep-06
James,

Can't say I have ever done a center console enclosure specific to the vehicle mentioned.

Best thing to do is just e-mail all the dimensions and details for the enclosure you want per the area the enclosure is to fit.

Don't forget to include:
Name / Model of Subwoofer
Type - Sealed /Ported
Direction Subwoofer is to be Mounted

Include any additional information I need to be made aware of for the design of the enclosure.
 

Gold Member
Username: Van_man

Boston South, MA

Post Number: 1102
Registered: Mar-06
All right, Im gonna make this one and the JL spec one.
http://www.subwoofertools.com/forum/ported-box.asp?Ew=22&Eh=18&Dia=6&Xmax=16.5&V d=.090&NumW=1&Vb=2.35&Fb=33&Qts=.450&Vas=2.82&Fs=25&CE=1.5
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