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-   -   Enclosure for JL Fusion competion sub? (http://www.diyaudio.com/forums/car-audio/154671-enclosure-jl-fusion-competion-sub.html)

juxta 9th November 2009 09:26 AM

Enclosure for JL Fusion competion sub?
 
Hey I've just pulled my Fusion sub (Jonah Lomu signature) out of the box it was in, I thought it was just a 10" an had heard about comp series but didn't have stats..
Turns out it's this!:D
Brand New Fusion Jonah Lomu 12" Subs (x2) - Car Audio Forum - CarAudio.com

The box it's in seems small(w17" x d14" x h15" tapering to 9") an now I've seen inside it it looks a bit dodge.

Any ideas on a good box to make for it?

I've just gotten a new car, a 91 Subaru wagon so I've got a bit of space but I need to be able to get it out when I'm taking sound gear to a doo..;)

Cheers

Ground Zero 9th November 2009 11:23 AM

Hi, juxta :)

Can you submit the parameters of this sub please ? thanks :cool:

juxta 9th November 2009 12:41 PM

Here we are:)..

DRIVER:
- 12-inch High Rigidity
Non-Pressed Paper Cone
- High Excursion Surround
- Woven Fabian Leads
- Die-Cast Aluminum Basket
POWER HANDLING:
- 650W RMS
- 1300W Max
FREQUENCY RESPONSE:
- 22 - 1,200 Hz
VOICE COIL:
- Dual 3-inch Black Alloy
- 4-Ohm + 4-Ohm Impedence
MAGNET:
- 325 oz.
SENSITIVITY:
- 92.1 dB

Ground Zero 9th November 2009 06:17 PM

Hi juxta :)

Thanks for the parameters but it's , not enough to simulate a box with a software :confused:

Have you got the thiele small parameters ?
such as: qms,qts,qes,fs,xmax,rms, .....

If you haven't this parameters i can't do nothing :(

Thanks in advance ;):)

juxta 9th November 2009 06:45 PM

Thats all I've got..
Any way to find the parameters??

ZippyTs 9th November 2009 08:55 PM

Fusion Lomu FJL- 1211
FS - 26 hz
QMS - 3.717
Vas - 107.1 l
Xmax - 13mm one way
Qes - .35
Qts - .322
Sens - 89 1-W

Overall Dia - 319mm
Cut Dia - 285mm
Depth - 165mm

took an hour, but i think i found what ya need :)

juxta 9th November 2009 11:03 PM

Quote:

Originally Posted by ZippyTs (Post 1975174)
Fusion Lomu FJL- 1211
FS - 26 hz
QMS - 3.717
Vas - 107.1 l
Xmax - 13mm one way
Qes - .35
Qts - .322
Sens - 89 1-W

Overall Dia - 319mm
Cut Dia - 285mm
Depth - 165mm

took an hour, but i think i found what ya need :)

Thanks mate you're a champion!!:D:D

ZippyTs 9th November 2009 11:19 PM

no problem. I found it on a NZ website forum so i hope the info is right.

here is the link to the posts

Ground Zero 10th November 2009 11:02 AM

Hi :)

thanks for the parameters ZippyTs ;)

I calculate a box tonight because at this moment i'm at work ;)

Ground Zero 10th November 2009 11:47 AM

Hi in fact i just calculate the box because i haven't time tonight :no:

If you have 2 subs Fusion Lomu FJL- 1211 the only box you can make is vented because i hase an EBP of 74.28

For two Fusion Lomu FJL- 1211 with a rectangular box w17" x d14" x h15" is a little small for deep bass but you can use it

if you try bigger box such as 70 liters the sound will be the same and you'll must use bigger Airport :(

So the better things is to try your box because i haven't enough parameters to have a correct box with my software :o

Have you got the size of the vent and the numbers please ?

;)


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