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  1. #1
    BNolan12's Avatar
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    Need Help ASAP

    Just finished putting my system in, 2 JL 10's on a JL 500x1. Amp has voltage but nothing coming out of subs. What should I look for and correct?



    Refs - Pro-Rabbit, Ram-Designs, Double007




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    Re: Need Help ASAP

    Id check the RCA connections, to see if you hooked the wrong ones up by mistake,like ft,or rear..Ive been guilty of that in a rush,,Headunit settings/sub woofer control..Amp LPF Switch ..make sure its on, be careful, and be sure the gain is down/not maxed out..Remote wire connected to the headunit, and amplifier




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    Re: Need Help ASAP

    Have you checked your rca's...I imagine you have but it's something I may have forgotten




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    Re: Need Help ASAP

    Checked RCAs. They confuse me I have 2 sets of the standard red/white RCAs but I also have a place that says "SUB OUT" but it's only takes a single wire hook up. It throws me off bc to me it should have a place for two, red and white. I have messed much on headunit. I thought I would atl least get something out of my subs.



    Refs - Pro-Rabbit, Ram-Designs, Double007

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    Re: Need Help ASAP

    Take a pic? What is the radio? Some radios have a subwoofer output or a crossover that may need to be adjusted




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    Re: Need Help ASAP

    Sub signals are mono, hence the reason for one RCA jack. You can sum a stereo signal to mono using a splitter or you can just make sure the same color of a pair is connected at both sides.



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    Re: Need Help ASAP

    It's a older Jensen headunit I will try the single sub output setup



    Refs - Pro-Rabbit, Ram-Designs, Double007

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    Re: Need Help ASAP

    Gave up for the night. Still same problems. Amp powers on at 14.5 volts and remote wire is intact but no sound/signal to subs at all. Guy I got the amp from SWEARS it was not defected when I got it. Just trying to troubleshoot this problem.



    Refs - Pro-Rabbit, Ram-Designs, Double007

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    Re: Need Help ASAP

    Just double checking but did you hook the subs up in the box?




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    Re: Need Help ASAP

    Subs were wired in the box but when I noticed nothing was happening I redid everything and just set a sub outside next to the amp with a quick wire connection just to see if I can get power.



    Refs - Pro-Rabbit, Ram-Designs, Double007

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    Re: Need Help ASAP

    You probably have the sub off on a setting in your deck. Did you get a y splitter to mono the sub out?



    Current set up: 94 Toyota Chaser (1JZ motor) On deck for that car? No HU atm, 3 way active (Vifa Tweets, CDT 04's and 06's) powered by either a Zed Draconia , 2 Obsidian Audio 10's powered by a B2 Audio Zero.3

    Nissan Cube3: Stock Nav HU, need Processor, speakers and subs. Will be using Soundstream DaVinci for power

    66 Pontiac GTO, modified stock radio, Crossfire CFA 302, Kicker KS6.2's in the front kicks, Crossfire CFA 452 for the 6x9's I need.

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    Re: Need Help ASAP

    Quote Originally Posted by ace_800 View Post
    You probably have the sub off on a setting in your deck. Did you get a y splitter to mono the sub out?
    No I didn't. I just have the RCA's plugged into the rear channel RCA output



    Refs - Pro-Rabbit, Ram-Designs, Double007

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    Re: Need Help ASAP

    Quote Originally Posted by BNolan12 View Post
    No I didn't. I just have the RCA's plugged into the rear channel RCA output
    Check your HU settings and what are the amp settings?



    Current set up: 94 Toyota Chaser (1JZ motor) On deck for that car? No HU atm, 3 way active (Vifa Tweets, CDT 04's and 06's) powered by either a Zed Draconia , 2 Obsidian Audio 10's powered by a B2 Audio Zero.3

    Nissan Cube3: Stock Nav HU, need Processor, speakers and subs. Will be using Soundstream DaVinci for power

    66 Pontiac GTO, modified stock radio, Crossfire CFA 302, Kicker KS6.2's in the front kicks, Crossfire CFA 452 for the 6x9's I need.

  14. #14
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    Re: Need Help ASAP

    Quote Originally Posted by ace_800 View Post
    Check your HU settings and what are the amp settings?
    On my headunit, what should my sub LPF be set on?



    Refs - Pro-Rabbit, Ram-Designs, Double007

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    Re: Need Help ASAP

    Iirc 60



    Current set up: 94 Toyota Chaser (1JZ motor) On deck for that car? No HU atm, 3 way active (Vifa Tweets, CDT 04's and 06's) powered by either a Zed Draconia , 2 Obsidian Audio 10's powered by a B2 Audio Zero.3

    Nissan Cube3: Stock Nav HU, need Processor, speakers and subs. Will be using Soundstream DaVinci for power

    66 Pontiac GTO, modified stock radio, Crossfire CFA 302, Kicker KS6.2's in the front kicks, Crossfire CFA 452 for the 6x9's I need.

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