JL Audio 10w6V2 enclosure design - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 12 Old 03-14-16, 12:49 PM Thread Starter
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JL Audio 10w6V2 enclosure design

I have (4) JL 10w6v2-D4 subs I'd like to use in my setup in 2 separate enclosures.

Room is 14.5' wide, 26' long, and 7.5' tall. Acoustic tiles in ceiling. Corner bass traps going in shortly as well as absorbing panels at first reflection points.

Marantz SR7010 receiver in 7.2.4
(2) QSC RMX1450 for sub amps.
Boston M series towers, center, and surrounds on wall. HSi in ceiling for Atmos.

50% of the time we watch movies, 50% is for 2 channel music.


WinISD recommends a 4.25 cu ft box with a tuning so far below the driver's fs I couldn't get the cone excursion under control with a hp filter.

I've modelled both a 4.25 ft box at 24hz (hp 4th order butterworth @ 21hz) and a 3 ft box at 30hz (hp 4th order butterworth @ 24hz). Cone excursion is at 1000w (500w ea) See attached.

I know this isn't a 15 so it's not ever going to get massive spl at lower freqs.
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JL Audio 10w6V2 enclosure design-transfer.jpg  

JL Audio 10w6V2 enclosure design-excursion.jpg  

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post #2 of 12 Old 03-15-16, 06:05 AM
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Re: JL Audio 10w6V2 enclosure design

You wanna build a closed box or vented?
You think you will not go low.
Butt this are one off the best brands in low extention.
Ik think you will be suprised

Simulation is no substitute for thought.
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post #3 of 12 Old 03-15-16, 08:06 AM Thread Starter
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I'd prefer ported for sure.
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post #4 of 12 Old 03-15-16, 09:29 AM
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Re: JL Audio 10w6V2 enclosure design

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morca wrote: View Post
You think you will not go low.
Butt this are one off the best brands in low extention.
Ik think you will be suprised
It's a 10" driver with 15mm xmax and an fs of 28 hz. Having a dust cap that says JL on it doesn't fix this. It's not going super low.
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post #5 of 12 Old 03-15-16, 09:26 PM Thread Starter
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Re: JL Audio 10w6V2 enclosure design

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MetropolisLake wrote: View Post
It's a 10" driver with 15mm xmax and an fs of 28 hz. Having a dust cap that says JL on it doesn't fix this. It's not going super low.
Lol, I'm aware. As I pointed out in my first post, I have expectations but I know what a 10" sub is capable of.
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post #6 of 12 Old 03-15-16, 09:36 PM Thread Starter
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Re: JL Audio 10w6V2 enclosure design

I modelled another box based on some vented suggestions.

The red plot is 3cuft tuned to 27Hz. Highpass Butterworth, 4th order @ 23Hz
I also added on a couple parametric EQ's:
-27Hz, Q=6, Gain = 3db
-38Hz, Q=6, Gain = -0.3db

I've never played with parametric EQ's. Is this a bad idea? It extended the low frequencies and controlled the cone excursion.
Attached Thumbnails
JL Audio 10w6V2 enclosure design-transfer-parametric.jpg  

JL Audio 10w6V2 enclosure design-excursion-parametric.jpg  

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post #7 of 12 Old 03-16-16, 04:26 AM
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Re: JL Audio 10w6V2 enclosure design

Quote:
MetropolisLake wrote: View Post
It's a 10" driver with 15mm xmax and an fs of 28 hz. Having a dust cap that says JL on it doesn't fix this. It's not going super low.
You have 4.......
If you think i am wrong,i wont say anything

Simulation is no substitute for thought.
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post #8 of 12 Old 03-16-16, 08:18 AM
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Re: JL Audio 10w6V2 enclosure design

27 hz tuning for those sub,s is way to high
I build a 12W3V2 tuned 16 hz, i done this before
4 of these can do much beter .

I read someone thinks i,am wrong.
So be my guest and build them wrong (27 hz tuning)
To bad for these very good sub,s they can do beter.

Simulation is no substitute for thought.
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post #9 of 12 Old 03-16-16, 08:04 PM
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Re: JL Audio 10w6V2 enclosure design

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warriorcookie wrote: View Post
I'd prefer ported for sure.

+1. Your room is almost 3000cuft. I think ported is the way to go too. And your instincts are correct. Even if you had 50 of those drivers, it wouldn't change the extension. Only the output. If anything you might be able to go down to 25ish(I have not modeled these), but that would probably be it. JL does make some of the best drivers around, but they won't defy physics.


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post #10 of 12 Old 03-16-16, 10:17 PM Thread Starter
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Re: JL Audio 10w6V2 enclosure design

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morca wrote: View Post
27 hz tuning for those sub,s is way to high
I build a 12W3V2 tuned 16 hz, i done this before
4 of these can do much beter .

I read someone thinks i,am wrong.
So be my guest and build them wrong (27 hz tuning)
To bad for these very good sub,s they can do beter.
I don't know how you did it man. I modelled 3cuft at 16 to 20 hz, the cone excursion goes crazy and it looses spl. How's it possible, tuning the box so far below the fs unloads the cone and all hell breaks loose....
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