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    lawlyes2007's Avatar
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    Jl Amp Low Ohm light flickering at high volumes???

    When I turn the volume up the low ohm light flickers. What could be the cause of this?? thanks for the info.







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    Re: Jl Amp Low Ohm light flickering at high volumes???

    umm just a wild guess but maybe too low of an impedence(sp) on the amp. What subs you have and how are they wired????
    Last edited by denali804; 11-06-2008 at 10:39 PM.



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    Re: Jl Amp Low Ohm light flickering at high volumes???

    i got one does the samethin g




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    Re: Jl Amp Low Ohm light flickering at high volumes???

    wired to low i woulod say box rise but that would be good in this situation



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    Re: Jl Amp Low Ohm light flickering at high volumes???

    I have a RE Audio SE15 and its wired to two ohms. its a brand new amp idk if there are any settings that i need to change or whatever.




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    Re: Jl Amp Low Ohm light flickering at high volumes???

    Might want to check the final impedance with a DMM.



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    Re: Jl Amp Low Ohm light flickering at high volumes???

    ok how would i do that?




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    Re: Jl Amp Low Ohm light flickering at high volumes???

    Quote Originally Posted by lawlyes2007 View Post
    ok how would i do that?
    Well, first, do you have a Digital MultiMeter (DMM)?
    Last edited by x2o; 11-07-2008 at 08:42 PM.



    The System :
    Electrical: Big 3, Powermaster D1200 and D3100.
    Sub Stage : 18" Custom Sundown Nightshade D2 Tuned to 30 Hz
    Sub Amp : Sundown SAZ-3000D
    Headunit : Alpine 9887 (ACTIVE )
    Front Stage : (2) Eminence Delta 10" mids, 2 Power Acoustik NX-5s
    Rear Pro Audio: (4) 8" Selenium 8W4P, (2) Selenium ST350
    Pro Audio Amps: Hifonics ZXi6010, Hifonics ZXi1010, Kicker ZX350.4
    Wiring : Kicker Hyperflex/Knu 0ga/RCA's
    Refs : Apocalypse Boy, Brian Owens, JBLCamry, ABSOLUTEAUDIO, BushJ311, tEh koRnDog(x2), blackbonnie, ProjectPat06, ampjunkielikeme, DownSouth954, Tapout, PaulThompson229, Mrogowski, Team H&K (Kent), andrewmoore13, slam, 100% eBay

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    Re: Jl Amp Low Ohm light flickering at high volumes???

    yes




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    Re: Jl Amp Low Ohm light flickering at high volumes???

    Quote Originally Posted by lawlyes2007 View Post
    yes
    Ok, set it to read OHMS, and put the red probe from the DMM in the OHM / continuity hole, and the black probe in the black common ground hole.

    Then set the DMM to read Ω, most DMM's will have a 200 setting on the OHM section, that will read from 0-200 Ω. Set it there if yours has it, if it is auto-ranging simply set it to Ω.

    Then, place the red probe on one of the speaker terminals, and the black on the other. That will tell you your nominal ohm load.
    Last edited by x2o; 11-07-2008 at 08:41 PM.



    The System :
    Electrical: Big 3, Powermaster D1200 and D3100.
    Sub Stage : 18" Custom Sundown Nightshade D2 Tuned to 30 Hz
    Sub Amp : Sundown SAZ-3000D
    Headunit : Alpine 9887 (ACTIVE )
    Front Stage : (2) Eminence Delta 10" mids, 2 Power Acoustik NX-5s
    Rear Pro Audio: (4) 8" Selenium 8W4P, (2) Selenium ST350
    Pro Audio Amps: Hifonics ZXi6010, Hifonics ZXi1010, Kicker ZX350.4
    Wiring : Kicker Hyperflex/Knu 0ga/RCA's
    Refs : Apocalypse Boy, Brian Owens, JBLCamry, ABSOLUTEAUDIO, BushJ311, tEh koRnDog(x2), blackbonnie, ProjectPat06, ampjunkielikeme, DownSouth954, Tapout, PaulThompson229, Mrogowski, Team H&K (Kent), andrewmoore13, slam, 100% eBay

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    Re: Jl Amp Low Ohm light flickering at high volumes???

    ok thanks alot man. ill go try that.




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    Re: Jl Amp Low Ohm light flickering at high volumes???

    Quote Originally Posted by lawlyes2007 View Post
    ok thanks alot man. ill go try that.
    No problem, let us know what it reads. .



    The System :
    Electrical: Big 3, Powermaster D1200 and D3100.
    Sub Stage : 18" Custom Sundown Nightshade D2 Tuned to 30 Hz
    Sub Amp : Sundown SAZ-3000D
    Headunit : Alpine 9887 (ACTIVE )
    Front Stage : (2) Eminence Delta 10" mids, 2 Power Acoustik NX-5s
    Rear Pro Audio: (4) 8" Selenium 8W4P, (2) Selenium ST350
    Pro Audio Amps: Hifonics ZXi6010, Hifonics ZXi1010, Kicker ZX350.4
    Wiring : Kicker Hyperflex/Knu 0ga/RCA's
    Refs : Apocalypse Boy, Brian Owens, JBLCamry, ABSOLUTEAUDIO, BushJ311, tEh koRnDog(x2), blackbonnie, ProjectPat06, ampjunkielikeme, DownSouth954, Tapout, PaulThompson229, Mrogowski, Team H&K (Kent), andrewmoore13, slam, 100% eBay

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    Re: Jl Amp Low Ohm light flickering at high volumes???

    Stop.

    Before you do ANYTHING else check out this site. Read over it, get out your multimeter and play with it.

    http://www.bcae1.com/

    Honestly the light sounds like a current limiter is coming into play. When you run lower impedance you need more and more current to keep up the output wattage. I bet they have a light that lets you know when you are hitting the maximum safe output for the transistors. AKA, you are probably running too low of impedance or more likely you have the gain turned up too much.







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    Re: Jl Amp Low Ohm light flickering at high volumes???

    well i tried it but i doesnt give me a good reading. the dmm i have is my friends and its a cheap one so idk how good it is. My sub isnt working so i guess it really doesnt matter right now. I think the sub if broken but im tryin to figure it all out.




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    Re: Jl Amp Low Ohm light flickering at high volumes???

    Quote Originally Posted by lawlyes2007 View Post
    well i tried it but i doesnt give me a good reading. the dmm i have is my friends and its a cheap one so idk how good it is. My sub isnt working so i guess it really doesnt matter right now. I think the sub if broken but im tryin to figure it all out.
    Even the cheapest DMM can give you a somewhat accurate ohm reading of a sub's voice coils. If the DMM is fluctuating massively or inaccurately reading, it may just be as simple as changing the batteries. .

    Also, you say your sub is broken. If your sub is broken and you have it hooked up to your amp, there is your problem. Blown sub = low ohm load most likely. Where were you trying to get the Ω readings from anyways? Your supposed to be reading Ω at the sub, or at the end of the sub's lead wires.



    The System :
    Electrical: Big 3, Powermaster D1200 and D3100.
    Sub Stage : 18" Custom Sundown Nightshade D2 Tuned to 30 Hz
    Sub Amp : Sundown SAZ-3000D
    Headunit : Alpine 9887 (ACTIVE )
    Front Stage : (2) Eminence Delta 10" mids, 2 Power Acoustik NX-5s
    Rear Pro Audio: (4) 8" Selenium 8W4P, (2) Selenium ST350
    Pro Audio Amps: Hifonics ZXi6010, Hifonics ZXi1010, Kicker ZX350.4
    Wiring : Kicker Hyperflex/Knu 0ga/RCA's
    Refs : Apocalypse Boy, Brian Owens, JBLCamry, ABSOLUTEAUDIO, BushJ311, tEh koRnDog(x2), blackbonnie, ProjectPat06, ampjunkielikeme, DownSouth954, Tapout, PaulThompson229, Mrogowski, Team H&K (Kent), andrewmoore13, slam, 100% eBay

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