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Feedback from subwoofer

Discussion in 'Audio, Video & Gadget Tech' started by Kickerking817, Oct 27, 2010.

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  1. Kickerking817

    Kickerking817 New Member

    I have 3 12inch kicker L5's with a 1200.1 Kicker amp in a 2004 Tahoe. I am getting alot of feedback it almost sounds like the exhaust coming through the subs while sitting at a stop, but as soon as I take off it goes away. I thought it was the ground at first but I cut a small piece of carpet up and sanded down to bare metal and grounded there. Any suggestions?
  2. SB09

    SB09 New Member

    Upgrade your RCA cable!
  3. Kickerking817

    Kickerking817 New Member

    I have tried that once before but did not make it ANY better at all
  4. randomsandwhich

    randomsandwhich New Member 100 Posts

    make sure your ground from amp to frame is less then one foot. Any longer you will have issues with grounding. If the humming goes away with acceleration, it is more then likely engine noise. You have interference somewhere. Double check all your connections. Any bare wires running next to power leads should be shielded.
  5. Stealth

    Stealth New Member 1000 Posts 100 Posts

    I am new to sound systems but one thing I read many times was not to run your power cable next to the RCA cables. I did mine on opposite sides and it sounds great. Don't know if that's your problem but it could. Hope this helps!
  6. FergusonT

    FergusonT New Member 100 Posts

    Yes, running the RCA cables next to the power or remote wire will possibly cause feedback. You also may want to run more than one ground wire. I haven't been in a situation where I needed to do that personally but I have read threads where guys have had to do that.
  7. Unbelievable2

    Unbelievable2 New Member

    Agreed with the above... I use to do custom installs professionally. One of the first things that was taught to me was run power alone on one side of vehicle and the rca on the other side. Remote power would not cause road noise if that were ran with the rca's... I am willing to bet that those rca's are near some high voltage

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