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95_venger
05-14-2007, 05:36 PM
im pretty much getting ready to buy a box made by a member here. we have talked allot and this is where we are at now. the box will be 3.1 cubes and tuned to 35hz. it will be goin in a dodge avenger. it will also be pwered off a hifonics bxi 2006. so my question is 3.1 cubes is big enough right??

TheFiverMan
05-14-2007, 05:38 PM
id do 4-4.5cf tuned to 35hz..

prochobo
05-14-2007, 05:38 PM
No, it will sound like crap and the frequency range will be crap. Did you read the website at all? I've found that 4.5 ft3 gives the best mix of SPL and SQ. Tune 40hz as well.

95_venger
05-14-2007, 05:41 PM
so what if i did 3.1 cubes tuned to 40hz?

TheFiverMan
05-14-2007, 05:45 PM
so what if i did 3.1 cubes tuned to 40hz?

juss get a 12 then..

J31Rob
05-14-2007, 05:48 PM
I've got an amazing design for an HD3.. 12" or 15".. let me know if you're interested.

95_venger
05-14-2007, 05:54 PM
i already have the 15. im just now gettin around to buyin a box. the max dimensions i can do is 13.5 high. 34 deep. and 22 wide. those dimensions are the max if it is a up firing box.

gl0ck
05-14-2007, 05:58 PM
i already have the 15. im just now gettin around to buyin a box. the max dimensions i can do is 13.5 high. 34 deep. and 22 wide. those dimensions are the max if it is a up firing box.


Fit a few bigger boxes then that and 34 Deeep is pushing it on the angle getting into the trunk Fyi.

twisztdauthorit
05-14-2007, 05:59 PM
get the box as big as you can i had one 4ft^3 boxed tuned to 38 and it sounded great.

now i have a 4.5ft^3 box(weird design) tuned to ~35hz and it may not be as loud on the higher hz but it definitely gets lots of vibrations and flex going.


im running the same amp to bxi2006d

95_venger
05-14-2007, 06:06 PM
Fit a few bigger boxes then that and 34 Deeep is pushing it on the angle getting into the trunk Fyi.

i would be sliding it in through my back seats.

95_venger
05-14-2007, 06:16 PM
using re box calculator this is where im at.


box height-13.5
box width-21.5
top and bottem depth-34

port lengh-13
port width-6.5

all endend at a tuning of 40.4714307302015

95_venger
05-14-2007, 07:47 PM
what you guys think???

blackbonnie
05-14-2007, 09:01 PM
go 4.5 cubes at 40 hz, that is there sweet spot

95_venger
05-14-2007, 11:15 PM
after more plans a talkin this is where we settled at.

Ok, got the new dimensions. How's this: 3.8 cubes tuned to 38 hz. 20.5" wide, 13.25" height (14" externally with the DB), and 33.75" deep. 4" wide port with 47 sq. inches of port area.

twisztdauthorit
05-14-2007, 11:23 PM
after more plans a talkin this is where we settled at.

Ok, got the new dimensions. How's this: 3.8 cubes tuned to 38 hz. 20.5" wide, 13.25" height (14" externally with the DB), and 33.75" deep. 4" wide port with 47 sq. inches of port area.

47 in^2 iS a small port...

you should be looking at around 68 in^2


your not gonna get much out of the 15" with such little space unless you get the box right.

anyone do this sub sealed?

mlstrass
05-15-2007, 01:26 AM
Box I built is 4.5^3 @35Hz with 76^2 of port. More of a daily driver box as I'm not looking for max SPL, so went with the lower tune.

Hope to be installing the sub tomorrow and will have some feedback in a few days.

DJ also highly recommended 4^3 @ 37-38Hz for a daily box and 16^2 of port per cube.