Question about Jl Audio 12W3 Car Subwoofer

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Do you know if my woofer is blown?

I have a single jl 12w3v2, when i hook it up to my jl e1200 amp, at low volume it sounds clean, but at high volume, my jvc radio just shuts down or sometime it don't but it makes my woofer sounds weird. Listening to my woofer up close sounds like something is rattling, but listening from far away sounds very clean. When the volume is turn up, the woofer has a little rattle even when the amp is adjust, can my woofer be blown.

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  • Anonymous Dec 04, 2008

    dnt worry bro. your jl is not blown. from what i read. my jl audio 12w3v3 does the same thing .if it was blown you would know it trust me .and if it was blown it wouldnt even cut on or if it did cut on it would not reproduce accurate bass .i recommend a band bass to get rid of the rattlin at high volume

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Well if you hear a rattle sound its probably already blown...and the amp could be drawing too much power if the radio shuts off...make sure all your wiring is correct. also if your car is off and you turn it up it will most likely shut off cause the battery cant handle it. but as for the sub i think its blown. good luck

Posted on Nov 16, 2008

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. Kind of like when someone squeezes a garden hose2_bing.gif when your trying to use it. That would be the high volume, starving the amplifier. The capacitor stores power in it to power the amp at high volume. 2 farads would probably be bulletproof on a single amplifier system, but 1 farad should work well enough. Or seek help from an expert on exactly what size capacitor you should use. If you find yourself saying: My amp cuts out.

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Also try hooking another speaker to your amp just to make sure the noise isn't in the amp.

You can use a 9 volt battery to test wire polarity also. Hook up the + wire of the speaker to the + terminal of the battery and the - speaker to the - battery terminal. If the speaker moved UP or OUT then the wiring is correct. If it moved IN or DOWN then the + and - wires are backwards on the speaker.

Also if you have two or more speakers hooked together test all the same way while they are hooked to each other. ALL of the speakers need to move in the same direction at the same time.

Clipping causes more speaker damage than anything. "Dirty Power" can happen in good quality amps too. The gain control is to match the voltage between the headunit and the amp. It is NOT a volume or boost knob. If you overdrive the first stage of the amp and then clip it damage will occur to the amp and speakers at some point.

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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.

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