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Thread: Low A bottoming out whole PA System?

  1. #1
    Joyfulnoiseologist Hoss's Avatar
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    Default Low A bottoming out whole PA System?

    Started playing Bass this past week with the worship team at church. Running direct into PA System and using IEMs.

    Anyways...when I hit a low A, the whole sound system just makes the worst "bottoming out" noise I've heard, including in my in ear monitors. It's only that note though? I can play lower notes on my top string and it's fine?

    Any ideas as to the cause and fix?

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    Last edited by Hoss; 12-13-2019 at 05:01 AM.
    Quote Originally Posted by jeremy View Post
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  2. #2
    Administrator Mincer's Avatar
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    Default Re: Low A bottoming out whole PA System?

    A well-set limiter on the whole mix will prevent that, as well as a multi-band compressor. It isn't so much your problem, as the soundperson's.
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  3. #3
    Super Toneologist DavidRavenMoon's Avatar
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    Default Re: Low A bottoming out whole PA System?

    How is the EQ set on the board? They might have that band up too high


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    LoveMachineologist jeremy's Avatar
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    Default Re: Low A bottoming out whole PA System?

    so thats around 55hz, right? check the 55hz and 110hz bands. does that string sound louder on other notes or just that one?

  5. #5
    Joyfulnoiseologist Hoss's Avatar
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    Default Re: Low A bottoming out whole PA System?

    Just that one single note/fret on the whole bass.

    I'll check all the suggestions out with the soundman Sunday morning.

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    Quote Originally Posted by jeremy View Post
    God hates bad guitar tone
    GUITARS: Schecter Saturn, Takamine, Ibanez Mandolin
    AMPS: Traynor YCV40WR/KT77s, VHT Special 6, Marshall AS50R
    EFX: Line 6 G30, Fhusk CS-3, Emerson EM-Drive, Emerson Paramount,
    Keisman Earlybird, EB VPJr, Empress Tape Delay, Hungry Robot Lil Gazer

  6. #6
    tonewood instigator
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    Default Re: Low A bottoming out whole PA System?

    It might be that your low A is a resonant frequency that's interfering with something.
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    LoveMachineologist jeremy's Avatar
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    Default Re: Low A bottoming out whole PA System?

    i was thinkin the same but if its the ears and the mains then id be surprised if they had the same res freq. the sound guy should be able to figure it out pretty quick if they have a decent digi board

  8. #8
    Joyfulnoiseologist Hoss's Avatar
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    Default Re: Low A bottoming out whole PA System?

    They haven't really had to eq for a bass in a while.
    Quote Originally Posted by jeremy View Post
    God hates bad guitar tone
    GUITARS: Schecter Saturn, Takamine, Ibanez Mandolin
    AMPS: Traynor YCV40WR/KT77s, VHT Special 6, Marshall AS50R
    EFX: Line 6 G30, Fhusk CS-3, Emerson EM-Drive, Emerson Paramount,
    Keisman Earlybird, EB VPJr, Empress Tape Delay, Hungry Robot Lil Gazer

  9. #9
    Mojo's Minions
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    Default Re: Low A bottoming out whole PA System?

    Low A? 55hz (about 20 ft in length) -I'm wondering if the room you're in has a dimension of about 10, 20ft or 40ft dimension either floor to ceiling or width length etc and you are getting a big fat standing wave from the resonant frequency of the room.
    Last edited by NegativeEase; 12-13-2019 at 04:25 PM.
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  10. #10
    LoveMachineologist jeremy's Avatar
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    Default Re: Low A bottoming out whole PA System?

    its happening in his ears too so theres somethin goin on

  11. #11
    Joyfulnoiseologist Hoss's Avatar
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    Default Re: Low A bottoming out whole PA System?

    Also, doesn't happen at home, through my Amp.
    Quote Originally Posted by jeremy View Post
    God hates bad guitar tone
    GUITARS: Schecter Saturn, Takamine, Ibanez Mandolin
    AMPS: Traynor YCV40WR/KT77s, VHT Special 6, Marshall AS50R
    EFX: Line 6 G30, Fhusk CS-3, Emerson EM-Drive, Emerson Paramount,
    Keisman Earlybird, EB VPJr, Empress Tape Delay, Hungry Robot Lil Gazer

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