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Old 9th November 2009, 10:26 AM   #1
juxta is offline juxta  Australia
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Location: Tasmania
Default 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!
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
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Old 9th November 2009, 12:23 PM   #2
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Hi, juxta

Can you submit the parameters of this sub please ? thanks
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Old 9th November 2009, 01:41 PM   #3
juxta is offline juxta  Australia
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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
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Old 9th November 2009, 07:17 PM   #4
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Hi juxta

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

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
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Old 9th November 2009, 07:45 PM   #5
juxta is offline juxta  Australia
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Location: Tasmania
Thats all I've got..
Any way to find the parameters??
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Old 9th November 2009, 09:55 PM   #6
ZippyTs is offline ZippyTs  United States
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Location: Sacramento, Ca
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
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Old 10th November 2009, 12:03 AM   #7
juxta is offline juxta  Australia
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Join Date: Nov 2009
Location: Tasmania
Quote:
Originally Posted by ZippyTs View Post
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!!
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Old 10th November 2009, 12:19 AM   #8
ZippyTs is offline ZippyTs  United States
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no problem. I found it on a NZ website forum so i hope the info is right.

here is the link to the posts
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Old 10th November 2009, 12:02 PM   #9
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Hi

thanks for the parameters ZippyTs

I calculate a box tonight because at this moment i'm at work
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Old 10th November 2009, 12:47 PM   #10
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Hi in fact i just calculate the box because i haven't time tonight

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

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

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