Question about Kicker Solo-Baric L7 S15L72 Car Subwoofer

1 Answer

12inch l7's rattle or sound really distorted on low pitch bass

My system sounds good until low bass hits the cone moves drasticly and makes an unpleasant ratling sound i have 750.1 kicker amp hooked to each

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  • aaronpierce4 Jan 05, 2009

    thank's but i've tried that before friend of mine says it may be my stock radio that comes in the ford f150

  • aaronpierce4 Jan 06, 2009

    thanks for the help last night i changed wires from parallel to in series and that helped alot now i've got to get a new radio peace!!!!!!!

  • Anonymous Mar 18, 2014

    We bought a comp c12 12" kicker and it started to make a buzzing sound the voice aint the same and the bass anit that laud

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  • Master
  • 1,990 Answers

You need to lower the Gain just a little.

Posted on Jan 05, 2009

  • Travis Humphries
    Travis Humphries Jan 05, 2009

    Very well could be. The first thing that I do when I purchase a New Vehicle is Replace the Radio and Build from there. Except for the Scion Xa that I bought-It had a Pioneer System from Factory! You cannot rely on the Factory Installed Radio's Once you have started Connecting Amp's and Crossover's Because they were not Built for that. I would get a Head unit and Install kit and Start Fresh from the Head Unit Back.

  • Travis Humphries
    Travis Humphries Jan 07, 2009

    No Problem! Happy to Help!

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It sounds like the cone is distorted. If it's a paper cone, it may have gotten wet. If it's a poly cone, it may have been exposed to too much heat (sunlight?).

Also check the wiring; anything loose may make a rattling sound.

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DO NOT BELIEVE the spec sheets regarding power and capabilty, especially those for automobile amps and speakers.

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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.

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