Question about Jl Audio 12W3 Car Subwoofer

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How can i make my jl audio 12w3-d6 into a 4 ohms

When the bass hits hard it turns off and my amp goes on protective mode, i have it on a sony explod 1200 watts 4 ohms..... i dont have the jl 12w3v2-d6 i have the older one, jl 12w3-d6

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It depends if the amp is mono or stereo and if it is bridged. if it is bridged the amp cant handle the speaker the best way is to lower the level on the amp or connect it to only one channel. also you might want to check your ground cable use a thick one and make sure its making good contact with the chassis. this happened to me. luck

Posted on Sep 13, 2009

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1 Answer

Jl 1000/1 goes into protective mode with low frequency


Do you have a capacitor????? If not, when its up loud and hitting hard it might be going into protection because of a voltage sag....If it goes below 11.8v they will usually do that.....Get a multi meter and put on the hot and ground of your amp when its playing loud and see what the voltage is dropping to.....If its going below 12v, thats your remedy...gd luck....

May 02, 2012 | Jl Audio 1000/1 Car Audio Amplifier

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Subwoofer stuck in sum kinda loop plz advise


Definitely check grounds and all other wiring. Next I would take a look at the amp. Possibly going bad internally.

Mar 07, 2010 | Jl Audio 12W3 Car Subwoofer

1 Answer

Subwoofer doesnt hit hard at all with this amp.


set gain to match head unit.its not a volume control.turn bass up.on unit and amp.and not knocking what you have but sony well theres much better.

Nov 14, 2009 | Sony XM-2200GTX Car Audio Amplifier

1 Answer

My amp is protecting unessacarily when ran at 2 ohms


are you factoring the ohm rating from running them parallel?

2 x 2o subs parallel = 0.5 ohm (lowers ohm's)

2x 2oh subs series = 4 ohm

IT is posable that you are calculating the ohm rating fine, BUT some SUBS can reach lower ohm rating while hitting bass- i didnt know this till i had a rather insane sub that would dip to 1ohm while hitting hard bass causing my amp to go into protect mode.


May 21, 2009 | Rockford Fosgate T10001 bd Car Audio...

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Jl audio 500/1 problem


Usually all amps spark a little when hooked up again after a while of no use. this happen cause there are many little capacitors inside to keep the amp running when hitting long bass notes. I think the reason you have been having problem after replacing the transistors is because there not the rite model number or maybe the polarity. You mite have to call jl and ask them if they have any in stock or google the model number of the transistor and buy them and replace them and see if it work. if it doesnt work then it mite be something else inside.

Jan 16, 2009 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

12 w 3 v3 2 cut off


Again as I have stated in my other answer to you. You can not wire two SVC 2 ohm subs to acheive a 2 ohm load. more than likely you are running your amp at 1 ohm mono and this is why it is clipping and shutting off.

Jun 19, 2008 | Jl Audio 12W3 Car Subwoofer

1 Answer

Low ohm p/l


Quick primer here... Impedance drops with frequency,
you might have the amp loaded at what seems a rated spec.
However if your bassing too hard the voice coil can leave the gap (magnetic Field) and drop your impedance far enough to activate the protect circuit. This usually occurs in a bridged amp.
You can always give JL ( John and Larry actually) a call.They are a outstanding Company to deal with.
Is Maynard still with them ???
Sumthin

Jun 04, 2008 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

Goes into protect mode


Your amplifier is trying to draw too much current. Your battery doesnt have enough power to run the subwoofers. My solution to the problem would be buying a power cap with equal or more power capasity to your current amplifier. The power cap stores a high amount of current so that when your subwoofers hit those low notes that draw a lot of current, instead of taking it directly from your battery, it will use the stored current from the powercap and wont go into protect mode. Also make sure that your connections on the back of the subwoofer arent touching. If you are hitting hard bass notes and the speaker (+) and (-) wires touch, it will short out and go into protect mode. But I dont think this is what your problem is. I am 99% sure if you go with the powercap, it will solve your problem.

Feb 24, 2008 | Metrik Amplifiers MAP-602 Car Audio...

1 Answer

Car Sub JL 12w3 low sound


So I am assuming that you have just setup/wired this up recently? Have you had this working before?
You can have a look at the gain control on the amp & see if this have been set really low. This will help if the signal coming from your stereo is weak. The other thing I would suggest is to make sure that the amp can actually push this sub. I know what the specs say:

  • 1 channel audio amplifier
  • 1 x 350W RMS @ 1.0% THD
  • ThermalThrote full-on power assurance
  • 2 ohms stable (non-bridged mode only)
  • RCA type inputs
  • 0.3-6.0 VRMS input capability
  • Continuously variable High-Pass & Low Pass 50-250 Hz
  • Continuously variable Bass Boost settings (0 tp +12dB)
  • Frequency responce: 10-30,000 Hz
  • S/N >104 dBA at full power @ 0.1% THD
  • >80 dBA at 1W/1M
  • Remote gain control, mounting hardware & screws included
but I don't believe most of these. Many manufacturers embellish what their products can actually do! With the bigger more established brands such as JL Audio you will have no problems, their products have been tried & tested so much on the competition circuit.

Dec 15, 2007 | Jl Audio 12W3 Car Subwoofer

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