Question about Jl Audio 13W7 Car Subwoofer

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I have two Jl 13.5s w7 they only pop

When they pop the low ohm light on the jl 1000 lights up I need to no how to wire them in series. I called Jl audio shop they told me and I wired how they said they still pop So what should I do to check them now I have a Optima battery to

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  • kruppalup Feb 10, 2009

    When they are running parallel the low ohm light still comes on but i have to turn it up louder to. the subs are 1.5 ohm and the amp is 1.5 ohm. Some people told me it was the altenator but the car is not even running so how is that then i heard the subs are not sealed right they told me it was my amp then subs voice coils not wired right need another battery I checked the wires like 50 times there is nothing wrong with the wiring. What else should I check

  • Stephen Davids May 11, 2010

    get a capasitor. it is a tank that holds power and doesn't fluctuate any car power. also what kind of popping noise? is it almost as if the sub pushes out instead of pulling in? what wattage is your amp and what is the max of your sub? if its the same amount turn down the gain on your amp you NEED a safe zone, you don't want to constantly run them at their peaks

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Greetings I'm Ryan,
sounds like a clipping issue.
if you could please refer to you owners manual for the amp and sub and choose the best impeadance possible. i would recommend a 4 ohm load on those specific subs. but if you could either provide more info on the amp or check this link for wiring diagrams in how to raise the impeadance from whatever you have now to a 4 ohm load. which would be 8 ohm on each individual speaker then ran in series together
http://www.avatarspeakers.com/wiring%20diagrams.htm hopefully this will fixya
let me know if there is further assistance needed.

Good day.
Ryan

Posted on Feb 19, 2009

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There should be no need for a series connection. The outputs on the amp are parallel inside the amp, requiring you to only connect the speakers separately to the amp. With two 4 ohm speakers, you will achieve a 2 ohm output [(4x4)/(4+4)] and be within tolerance.

The Low Ohm light will also illuminate in the event of a short. Check your speaker wiring, looking for any positive leads touching negative leads or for any leads that may be grounded to the chassis of the vehicle.

Posted on Feb 10, 2009

  • Dwayne Bowers Feb 11, 2009

    DOH! I overlooked the dual voice coils. Take a look at this:
    http://74.50.20.110/Wired-in-Parallel.jp..." target="_blank" rel="nofollow" >Speaker Connections

    Now, if you have your individial speaker voice coil pair connected in series and then each speaker connected separately to the amp, you should still be within tolerance. The amp is designed to operate in a 1.5 to 4 ohm range and will adjust automatically to the load. Set your sub voice coils up as a series connection and connect each speaker separately to the amp. Since the amp connections are in parallel inside the amp, you will have a series-parallel configuration running at 1.5 ohm.

    I hope this was more help to you than previously. Nice gear you have there, by the way.


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1000/1v2 Class D Monoblock Subwoofer Amplifier Specifications:
  1000/1v2

Rated Power:
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According to the chart your amp is only stable down to 1.5 Ohms, so running at .75 Ohms the noise you are hearing is the amp clipping (running more power than it can handle at low ohms)
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