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Reload Thread: Sub will only work if i reconnect rca cables

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    Sub will only work if i reconnect rca cables

    i have a rockford fosgate amp and a subwoofer and 2 speakers connected to the amp. the sub and the 2 speakers work fine, but only if i reconnect the rca cables everytime i turn on my car. the amp light goes on but theres still no output. unless i unplug the rca cable and plug it back in then the sub works fine. how do i fix this?







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    Re: Sub will only work if i reconnect rca cables

    Hmmm.... I'd call Rockfords tech support.




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    Re: Sub will only work if i reconnect rca cables

    weird something in the wiring or maybe impedance load




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    Re: Sub will only work if i reconnect rca cables

    Do your RCA's come off the head unit or from something else, like an LOC?



    dave
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    1999 Buick Park Ave Ultra
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    Amp: PPI Phantom 900.4
    Rear Fill: Boston SE953 6X9's

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    Re: Sub will only work if i reconnect rca cables

    i would check voltage in rca's see if over powering or maybe there is some sort of voltage turn on




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    Re: Sub will only work if i reconnect rca cables

    Do your RCA's come off the head unit or from something else, like an LOC?

    the head unit.




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    maylar's Avatar
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    Re: Sub will only work if i reconnect rca cables

    Does it make a difference if the HU is off or on? Trying to figure out if it's the amp or HU that's the problem.



    dave
    ----------
    1999 Buick Park Ave Ultra
    Head Unit: JVC KWHDR720
    EQ: Audiocontrol EQL
    Front Stage: Hybrid Audio Technologies Imagine 5.25 mids, Morel Maximo tweets
    Sub Stage: Boston G3 10", 0.5 cu ft sealed
    Amp: PPI Phantom 900.4
    Rear Fill: Boston SE953 6X9's

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