Question about Jl Audio 1000/1 Car Audio Amplifier

3 Answers

2 12w6v2's with a 1000/1

Hey,

I had my system professionally installed into a durango through Tweeter. Custom box to jl's specs and 1 1/2 inches thick (sealed), alumapro 5 farad cap, dont remember tha name of it but its a coil before the cap. Had boston components, 300/4 running those, all new wiring, blah blah blah.

So got rid of that, went through another car and now Im in a 83 crown vic. Got the system back in, its bangin hard just not as hard as before...I expected this due to the vehicle change.

ok enough background...

I had to upgrade to a 150amp fuse, cool. I ended up blowing a set of 12w6's and am not looking to do that again. What should my amp settings be for the subs..I want it as loud as it can be without blowing them again.

Thanks for the long read...please respond back through email BuffDaddy915@msn.com

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  • khabi21 Jul 05, 2008

    Hey i got a problem with the same stuff - 2 12 w6's and a 1000/1.....when i turn up my volume the subs just shut off then i wiggle the grounding wire hooked up to the amp and it comes back on for like 2 minutes then shuts off again....i had it checked out and the guys said they couldn't find anything wrong with the amp so they don't know what's wrong.....any help would be appreciated

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3 Answers

Birth certificate on the amp is 1300 watts.. thats probably how u blew them. mainly i would say turn off your bass boost and just turn up the gain set it right befor its clipping point and u should be good. u probably had the amp set to high and was clipping causing distorion.

Posted on Jul 05, 2008

Im not sure honestly...I was young and dumb and just spent money. Tweeter installed everything and could'nt tell you the first thing about how to setup the amp. I've read up alittle bit now though.

Posted on Jul 04, 2008

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I dont know how you blew both subs with a 1000/1. the subs have an rms of about 400w. according to jl,the sweet spot for them is about 500-600watts. are you sure that you had the jumpers wired correctly and the amp at 2ohms?

Posted on Jul 04, 2008

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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

Jl audio 1000/1 low voltage -keeps shutting off at high volume


You should definitely upgrade the power wire to the sub amp to 4 gauge -absolutely your choking your amp its starving for current-poor thing is starving !!!!!!!

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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"
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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.

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2 Answers

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With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead to the B+ terminal of the amp. If the voltage drops below ~11 volts, you need to check the wiring for the B+ line to see where you're losing voltage..

You need to do this as the amp shuts down. Connect the meter and watch the voltage as someone increases the volume.

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