Box Design for (4) Fully Loaded FI BTL 12's

dont know about that amp but im assuming it only puts out 4000 watts?

that hardly enough to get each sub moving to their potential.

i would do 2 15's off 2k each in 8 cubes...

or maybe 4 12" q's would work off that amount of power as well.

 
For some reason I decided to draw something up real quick for you. 36wx36dx14.5h. Port is 12.5hX6w 22" long tuned to 35hz. This would work great for the 4 btls.

4btl.jpg


 
Thanx for the good responses and thanx for the people who also have negative shii to say.... Also thanx to AudioXtreams for the drawing... and as far as power and money, trust its nothing I just graduated College so money is nothing... so if I need more power I will just get more amps or get new ones...LOL this is my gift to my self ya dig

 
i would use pvc, but i wouldn't even do 4 12's they wouldn't even be at their potential and your basically throwing your money away, get some 15s and call it a day..

 
i would use pvc, but i wouldn't even do 4 12's they wouldn't even be at their potential and your basically throwing your money away, get some 15s and call it a day..
In a way I see where u coming from but I never did 15's, and I kno they get loud but to me they just dont hit as hard as 12's... But thats just me

 
With the power you are intending on running, 7 cubes net would be plenty of room for (4) BTL 12's. Do you have anyone that will be building the box?? I build boxes and have several references. Personally my recommendation would be to go with the (2) 15 idea. What year is the Impala?

 
Thanx for the good responses and thanx for the people who also have negative shii to say.... Also thanx to AudioXtreams for the drawing... and as far as power and money, trust its nothing I just graduated College so money is nothing... so if I need more power I will just get more amps or get new ones...LOL this is my gift to my self ya dig
ok. but how do you plan to support a potential current draw of 400A+ (assuming 70% amp efficiency)...

 
With the power you are intending on running, 7 cubes net would be plenty of room for (4) BTL 12's. Do you have anyone that will be building the box?? I build boxes and have several references. Personally my recommendation would be to go with the (2) 15 idea. What year is the Impala?
Oh okay thanx for the info and its a 2002

 
That's retarded for a trunk.
I know it is thats why Im doing it, so when I go to Crank It Up Contest people like sum of the folks that replied to this thread be like oh he aint gone be bout nothin on the mic, then when I pull up and do my thang and go home wit tha win and the money they be like ****, and then wanna help me out for the next run... thats the whole point of me doing what I do to make stupid mutha****** mad //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

 
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