Question about Jl Audio 12W3 Car Subwoofer

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12W3V2-D4 ENCLOSURE??? WHAT IS THE CORRECT ENCLOSURE TO BUILD FOR EACH W3? I HAVE 2 12W3V2-D4, BUT HAVE AN ARKWARD SIZE TRUNK. THE ONLY WAY IS TO HAVE TWO INDEPENDENT BOXES... CAN ANYONE EXPLAIN TO ME THE CORRECT ENCLOSURE!

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They need 1.4-1.7 cubic ft per sub(ported box) less if it is sealed but I wouldn't recommend that, it sounds like ****. Google "Re audio box calculator" and use it to adjust your dementions to your application

Posted on Sep 16, 2012

Go online and try to find the owners manual or look at if u got it or call the manufacter or go to a car audio shop and ask

Posted on Sep 02, 2008

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Need some tips on building a subwoofer box.


Do some research on the model of subwoofer and find the recommended box size, subwoofers need the correct box size to work to its full potential, and size in meaning the volume of space inside the box so if you cant fit your box in your trunk cut it down to the size you need but make it bigger as much as you took of if you have more room say in night for eg.i hope the heaps otherwise there is so much online about sub enclosures.

Aug 06, 2014 | Car Speakers & Subwoofers

1 Answer

What size should i make the enlcloser


If looking for LOUD, ported enclosure is the way to go.

If looking for accuracy, build sealed. You will need approx 2 cu ft
To tune this 2 cuft box around 50Hz, you need (1) 4" round port 5" long.

MTX recommends an enclosure of 2cuFt ea. You will only be able to use 1 subwoofer in this application.

Even a sealed enclosure is recommended 1.25cuFt.

You can shove 2 in the vented enclosure, but you may not be happy with the outcome

Dec 02, 2010 | Jensen XS-1010 Car Subwoofer

1 Answer

Hi i have a 15"w3-d4 jl audio sub,can anyone tell me what size antype box i should use ie sealed or ported and the box dimensions


Hi,
I've had a look at the JLaudio website and they recommend 2 box designs, a ported and a sealed.
The sealed box needs a volume of:
2.125 ft3 or 60.2 litres.
To get this you would need to build the box to these dimensions:
22" x 16" x 14.75" or 559mm x 406mm x 375mm
The ported box needs a volume of:
3.50 ft3 or 99.1 litres.
To get this you would need to build the box to these dimensions:
24" x 19" x 18" or 610mm x 483mm x 457mm.
The port needs to be:
3.0" x 10.9" or 76mm x 277mm.
The enclosure recommendations listed above are external dimensions which assume the use of 3/4" (19mm) thick material. If you are using 5/8" (16mm) thick material, subtract 1/4" (6.5mm) from each dimension. Do not use any material with a thickness of less than 5/8" (16mm) as this may compromise the rigidity of the enclosure.
• All enclosure volumes listed above are net internal volumes! Driver displacement, port displacement and brace displacement must be added to obtain the final gross internal volume. All enclosure dimensions above have already taken this into acount.
• When using two subwoofers in a common enclosure simply double the required volume and, in the case of a ported enclosure, use two times the recommended port(s). Likewise, when using three subwoofers in a common enclosure simply triple the required volume and, in the case of a ported enclosure, use three times the recommended port(s).
• We recommend the use of this speaker in a bi-amplified system using high-quality satellite speakers and a high-quality amplifier. We do not recommend the use of this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance.
As you can see it all depends on the space you have available, whilst the vented box will give you a more efficient bass responce especially with the low range frequencies.

If you to go and look at the information about your sub woofer and find out all the information about building or buying the correct enclosure then this is the link to the pdf file I found:
The enclosure info is on page 3:
JL AUDIO 15W3 Tech Specs and box info.
Warm regards
Mike

Oct 12, 2010 | Jl Audio 15W3-D4 Car Subwoofer

1 Answer

Can i put 2 10 l7 or 12's on the rear deck on a 95


I wouldn't suggest putting any subwoofers on your rear deck. put them in the trunk. and if you choose to put them in the trunk you can use either 10's or 12's your preference but for the airspace in that car I'd go for 10's in a to spec and properly tuned ported enclosure. Building them yourself always sounds better if you know what you're doing.

May 25, 2010 | Kicker Solo-Baric L7 S15L72 Car Subwoofer

1 Answer

I have a JL audio 12W3v2-d4 subwoofer which has two sets of terminals and i needto know how to wire them correctly as my old one only had one set of terminals . i bought it second hand and didnt get wiring...


Your amp is stable bridged mono at 2ohms, however, having dual 2ohm voice coils will drop the amp to 1ohm if parallel and will kill it. The cleanest possible way to run this amp and keep it cool with lots of headroom is to run the coice coils in series then run the amp in mono @ 4ohms. To do this, run from one voice coil to another, a jumper. connect positive from one voice coil to the neg of the other voice coil. Then connect the remaning positive on one voice coil and the neg from the other voice coil to your amp (positive left and negative right on the amp) If your amp has a switch for momo make sure it is on, some are automatic. Hope this helps

Jan 02, 2010 | Jl Audio 12W3v2-D2 Car Subwoofer

1 Answer

How to wire a JL audio 12W3v2-d2 subwoofer . there are two sets of terminals how are they connected two the amp


http://mobile.jlaudio.com/support_pages.php?page_id=161

THE ABOVE LINK WILL TAKE YOU TO THE CORRECT PAGE ON THE JL AUDIO WEBSITE THAT PROVIDES A NICE TUTORIAL ON CONNECTING YOUR SUBS. THIS IS FOR THE DUA VOICE COIL SUBS. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

Jan 02, 2010 | Jl Audio 12W3v2-D2 Car Subwoofer

1 Answer

I am building a custom box for 2 15 inch Kicker L7's. These will go in the trunk of an 04 Impala. Do I need 4 or 5 cubic feet per chamber in a ported box? Also, what size port should I use? and how long? I...


Hello bgl6176,

According to their specs, the L7's will work in a ported enclosure with as little as 3 CuFt and up to 6 CuFt. Usually with ported, bigger is better, so let's use the 5 CuFt per chamber. I'm assuming that you have room for a 10 CuFt box in the trunk? That's a big box? Almost half as big as a medium sized refrigerator. I hope you don't plan on putting your golf bags in there too. For 10.15 CuFt, a box will need to be 36X29X20, allowing 0.15 for the partition, sub, and port displacement.

To tune each chamber to 30Hz, you need a 4" diameter port 4.6" in length. Lots of custom builders use PVC and even ABS pipe for round ports. You can also buy "pretuned" ports from sites like www.partsexpress.com.

You'll have to measure the exact room that you have available and then adjust the dimensions accordingly.

Here's a link to a great site for calculating almost anything in box building and subwoofer related. You can use the old "multiply LxWxD and divide by 1728" and the other formulas too, but here you can plug the figures in and immediately see the results.

http://www.the12volt.com/caraudio/boxcalcs.asp#rec

Hope this helps.

Oct 18, 2009 | Kicker Solo-Baric L7 S15L72 Car Subwoofer

1 Answer

Need help im planning to build a enclosure for my s3.10.0 subwoofer, can someone advice what type of enclosure and what size it will be. Tnk u very much! hoping for good advice.


Hello marne_glenn,

Here's a link to Lightning Audio's manual for the S3.10.4.

The minimum recommended size for a sealed enclosure is .5 CuFt. There is no recommendation for ported.

Hope this helps.

Jul 29, 2009 | Lightning Audio S3.10.4 Car Subwoofer

3 Answers

Dimension please for enclosure 12w3v2-d2


Typically you use one cubic foot per sub, so a 2 cubic foot box will work fine. To build a basic one, just a rectangular box, using 3/4" MDF (excellent material for a box), cut pieces this way:

2 - 25.5" x 13.5"
2 - 25.5" x 12"
2 - 12" x 12"

This will give you an interior volume of exactly 2 cubic feet. Cut your sub holes out of one of the 25.5" x 13.5" pieces.

Sep 24, 2008 | Jl Audio 12W3v2-D2 Car Subwoofer

1 Answer

12W3V2-D4 ENCLOSURE


12W3v2-D4 sealed or ported enclosure use.
Sealed 1.25 ft3 23" x 14" x 10"
Ported 1.75 ft3 29" x 14" x 12.25" - Slot port size 1.375" x 12.5" x 23.75"
12W3v2-D4
Fc: 47.4 Hz F3: 41.3 Hz Qtc: 0.83 Recommended Port Tuning: 30.3 Hz

Maximum wattage: 600 watts per driver.

I hope this helps you, more info can be found at: http://mobile.jlaudio.com/pdfs/12W3v2_MAN.pdf

Jun 24, 2008 | Jl Audio 12W3 Car Subwoofer

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