Question about Jl Audio 13W7 Car Subwoofer

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I looked up the correct way to wire my JL 13.5W7 1.5. Therefore it said to wire it in parrallel. I understand this will put it at .75 ohm. As I start to turn it up it sounds great, very loud but once the sub gets to a certain db it pops and cracks and the low ohm light will come on on the amp. I have it running off the JL 1000/1V2. I have the amp set up to the jl specs. Also I have wiredthe sub in a series and just does not sound like it is performing well and does not have good sound quality. It is BRAND NEW. What should I do?

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It's not good for that speaker at all to be wired to 0.75ohm I have one and I am tell no reason in the world to wire it any way other then specs.

Posted on Apr 12, 2016

  • Nathaniel Lance
    Nathaniel Lance Apr 12, 2016

    I am also pretty sure then when I was hooking my sub up it was wire to 3ohm. I have 800.1 kicker amp pushing it and brother I am telling you with the amp you have its sound should be the best in your town... So take the suck back out and take the 1#coil+ hook to 2#coil- and you should be good to go that's how mine is

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

Rated Power:
1000 W RMS @ 1.5 ohm - 4 ohm (11V-14.5V)

THD at Rated Power:
<0.05% @ 4 ohm

S/N Ratio:
>95dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)

Frequency Response:
5 Hz - 250 Hz (+0, -1dB)

Damping Factor:
>500 @ 4 ohm / 50 Hz


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)
I would suggest wiring it in series, or you could adjust the gain on the amp until the popping goes away.

Hope this helps.

Posted on Nov 10, 2010

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