Question about Jl Audio 13W7 Car Subwoofer

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Popping I have a 1000/1 and a 13w7 i just installed brand new out of the box. I wired the sub in parallel as it should be. I ensured both coils were hooked up. And when I turn the stereo up the sub pops. I lowered the level of the amp from 3/4's gain to 1/2 and still popped. The Sub was barely moving. No distortion. I just can't believe I would have been given a faulty sub from JL. They always check their products. I bought a box that was built to ported specs. Because I know the air space in a box can cause it to "bottom out" or whatever and sometimes cause it to pop. Even with that box being built to specs can the way the air space is formed make a difference? I took the sub out of the box and turned it on and it popped even with it turned down very low. Even if i tilted the sub so that it was not flat against a surface. I would just like to know some things that might cause that and maybe get someone who is more knowledgeable on the actual internal functions of the sub to give me their opinion.

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  • liddon21 Jun 04, 2008

    Mate i had the same problem, Went to the local audio shop and they said it should be run is series.

    Since re-wiring the sub its been great can crank it up till me battery goes flat and no popping at all.

  • earp Jun 12, 2008

    Actually.. the subwoofer popped because there was not enough voltage.. the popping came from the amp producing a mechanical "error".. added a second battery fixed that.. a bigger alternator would be the smart and better way to go.. but im not droppin another 500 bucks..  the low ohms i did fix on my own.. no thanks to the idiots at the local audio stores.. i wanted to wire the sub in series.. they told me to wire it in parallel.. and i questioned it and said that would be too low.. and they argued so i did it their way since they are supposed to be "professionals" and i just do it for a hobby.. but whatever.. wired it in series and works jus fine.. the idiot tried saying wiring a dual 1.5 ohm sub wired in series would be running 6 ohms.. yeah.. no.. 3 ohms.. i think someone should find a new career..


  • paula1988 Jul 28, 2008

    my j;l pops when i turn it up is it becuse it its new and breaking it in? i have 2 jl 13w7 and 2 100 jl amps... the amp is not turned on that high the guy at the audio store told me that it was because they were knew .. what is your guys advice

  • EMA12 Mar 11, 2009

    i got the same problem but i got 2 12 w6 and a 500/1 jl amp hooked up.

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If you Wire the 13 w7 in parallel you get 0.75 ohms which this amp is incapable of handling, that's why your speaker is popping. Be carefull cause this setup could ruin both your amp and sub. You have to wire that sub in series so that the amp "sees" a 3 ohm load which it's best suited for.

Posted on Jun 11, 2008

^^^He's right...the 13W7 is supposed to be wired in series to get 3 ohm load.

Posted on Oct 11, 2008

3 Suggested Answers

rteemon
  • 578 Answers

SOURCE: JL Audio 13w7 & 1000/1 Amp Settings

that depend on how you wire the speaker my friend and the performance of you am and u have to use jl -dclass series amp for the best performance of those speakers

Posted on Aug 07, 2009

bigTROY502
  • 129 Answers

SOURCE: JL 13w7 & 1000/1 Settings

There is no "perfect" setting that can be placed in a manual. It's all done by ear. Your settings will vary depending on the vehicle you are in, the type of enclosure you have, the type of music you listen too, how much voltage your deck put's out. There are many variables, but I can try to give you a basic guide.

First of all you need to know your enclosure. If you have a ported enclosure tuned in the mid to low 30's you may want to set the low pass to around 70-80 hz with your sub sonic set at 30 hz. this will give you the higher bass frequency you need for the loud bass you want, and protect the sub from going too far below the tuned frequency of the enclosure, and losing it's composure.

As far as the gain, and bass boost are concerned, you just have to adjust them by ear. First adjust the radio volume to normal listening levels, by that I mean as loud as it can go without the speakers in the car sounding like ****. Now you adjust the gain first. slow turn the gain control, carefuly watching and listening to the sub.. Adjust the gain to the point of the woofer getting a lil sloppy then back it down a bit until the sound is clean again. Now do the same with the bass boost. if there is a bass boost frequency adjustment, set that as close to the tuned frequency of the box as you can.

If you are in a sealed box the adjustments are a bit easier, and are all about taste. Adjust the radio as described before, and put on your favorite song. Next start udjust thing lowpass frequency to taste, not too high tho, try not us higher than 100 hz in your sub's for better sound. Sub sonic is not quite as important in a sealed box, as there is much less danger of the sub losing control.

Well good luck, and hope this helps!


Posted on Aug 08, 2009

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Posted on Jan 02, 2017

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