JL Audio 10w3v3-2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 12 Old 08-19-13, 09:01 AM Thread Starter
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JL Audio 10w3v3-2

Hi,
I am looking for help designing a box for my above sub.
I had a play with winisd but I didn’t do it correctly as I got different results from Mike's file
http://www.hometheatershack.com/foru...tml#post632155

Thanks mike

based on winisd it gave
Volume 2.826 ft3
Tuning Freq 25.33 hz
vent dia 10.20cm
vent length 40.15cm

I am not worried about box size and/or dimensions. The sub is to be used for LFE / sub and I would like it to play as low as possible.

The mains have a peak at 65hz and 135hz, there is no filters and they run full range.
The Peaks In the mains are I think from room/cabin gain. I can’t move them around to check, I could block off the ports to see if that makes any difference.

The cross over is all done on my JL Audio 500/1 amp using the P EQ to get it as flat as I can.
Lp filter 12db between 55hz – 65hz
Q = 0.5
Center freq 40hz
Boost +10db
Infrasonic filter on 22hz
Gain is all the way down and set to high voltage and 1 channel is connected, otherwise it is too loud, so the sub is not being pushed at all.
This is in a box designed for a 10w3v2-d4 set @ 2ohm until I get a correct box made for the 10w3v3-2

Are there any benefits from running a slot port, which I would prefer, unless told otherwise, to a tube port?

Thanks
Alan

Last edited by BigAl33; 08-19-13 at 09:11 AM.
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post #2 of 12 Old 08-19-13, 09:44 AM
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Re: JL Audio 10w3v3-2

Is this for car audio use?




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post #3 of 12 Old 08-19-13, 09:49 AM Thread Starter
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Re: JL Audio 10w3v3-2

No, it's for home audio

my specs;
Sound card; Creative Sound Blaster Audigy 2 ZS Platinum Pro
Speakers; Mission 734, mission 760i, Jamo Center 18.
Sub; Jl Audio 10w3v3-2 in slot port enclosure designed for 10w3v2-d4
Amp; Sony STR-DB930, JL Audio 500/1 powered by Corsair VX 450w PSU

Anything else I forgot to mention lol?
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post #4 of 12 Old 08-19-13, 11:03 AM
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Re: JL Audio 10w3v3-2

For home LFE it models well in 4 cu.ft. tuned to 22hz. Power required would be 300 watts at 2 ohms with a hi-pass filter at 22 hz. A slot port with 18" of port area (2" x 9") and 21.5" long would handle the porting.

I would be concerned the Corsair VX PSU won't be able to supply the amperage the JL amp will need.

JL Audio 10w3v3-2-jl10.jpg




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post #5 of 12 Old 08-19-13, 02:46 PM Thread Starter
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Re: JL Audio 10w3v3-2

Thanks again Mike.
How did you get those figures? I tried entering the port dimensions, but it comes no where near to what you get

The PSU is good for 33A Max
http://www.hardwaresecrets.com/artic...y-Review/540/7
Don't forget the gain is nearly all the way down and only 1 channel is connected, so the JL amp is not being pushed at all, or the sub, also the Sony amp doesn't go over 2 on the volume knob.

Can the sub go any lower?
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post #6 of 12 Old 08-19-13, 03:51 PM
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Re: JL Audio 10w3v3-2

This 10" can only do so much. Tuning it to 20 hz will decrease the output in the 20 - 30 hz range. 4 cu.ft. tuned to 22 hz is the most it can output for LFE in a home environment. You may get some room gain that will add to 20 hz and lower.

Here's the project file for you, save it to the Projects folder in WinISD.

The BigAl33 Project.wpr




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post #7 of 12 Old 08-19-13, 04:31 PM Thread Starter
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Re: JL Audio 10w3v3-2

Thanks again Mike.
I am new to all this so please bear with me.
When I load up your driver file and look at the default settings the FR is a lot smoother, can you explain please

soo, is it better to use a slot port?
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post #8 of 12 Old 08-19-13, 05:43 PM
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Re: JL Audio 10w3v3-2

If your graph limits are set the same as mine then they should look the same. Frequency is 10 to 100 hz and SPL is 75 to 130 db.

A slot port is easier in this case. If you used two 4" round flared ports they would have to be 33" long each.




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post #9 of 12 Old 02-04-18, 09:55 PM Thread Starter
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Re: JL Audio 10w3v3-2

4+ years later...
Going to make the box
I tried to figure out the box dimensions and gave up.
Can you suggest some software?
The bit I didn't get was the slot port length and if it / how it is included/not included in the box volume

Thanks
Alan
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post #10 of 12 Old 02-06-18, 08:17 PM
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Re: JL Audio 10w3v3-2

WinISD is still your best option for design software.

-Jim

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