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Shotgun Feedback

Discussion in 'Sound, Music, and Intercom' started by Hughesie, Sep 22, 2005.

?

Are Floor Mic's useful or do they just pick up stage noise

  1. Floor mic's suck all stage noise

    100.0%
  2. Floor Mic's Pick up lots i love them

    0 vote(s)
    0.0%
  1. Hughesie

    Hughesie Well-Known Member

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    Occupation:
    Freelance Lighting Programmer/grandMA Trainer
    Location:
    Melbourne, Australia
    Ok for once i have a question

    i WAS doing a performance (just a Orchestral one)

    we were using two shotguns (silver)
    and one (black)

    when i attepted to set them up the black one had to use Trim (like all mic's)

    but the two silver ones ALWAYS FEEDED without any trim (or gain)

    also Shotguns have little switches on them what are they for

    AND I DID HAVE PHANTOM POWER ON

    i have used these mic's before with sucess
     
  2. AVGuyAndy

    AVGuyAndy Active Member

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    The little switches could either be a pad, or it could change the pickup pattern. Or it could be an on/off switch. I would add a pad to the silver one. You also may want to adjust mic/speaker placement.
     
  3. jumpjet

    jumpjet Active Member

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    Are you sure they were shotgun microphones? I was under the impression that shotgun referred to the pickup pattern, being fairly precise and a small angle, not the shape of the microphone itself. Many of my students think that the shure sm81 is a shotgun, when it is indeed a condenser mic, not a shotgun, and has a very different pattern.

    Just as a shot in the dark, the SM81 has a switch on it that is frequency response. It can have a flat response, roll off very low end, and roll off a lot of the low end. It also has a ring around the top of the mic, which say 0 and -10. This is a little gain adjustment.

    It would probably help us figure it out if you could tell us the model number and brand of the microphones.
     
  4. Hughesie

    Hughesie Well-Known Member

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    Occupation:
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    Audio technica

    it was a while ago

    i know it wasn't speaker placement because one of them worked

    and they were condenser mic's
     
  5. wolf825

    wolf825 Senior Team Emeritus Premium Member

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    how close together were they comparatively to your source? If you place them too close together to each other you will get no gain and tons of feedback.. You have to toss one out of polarity to have them work together side by side... Also on shotguns--best to set your HPF to about 250-400hz to reduce room noise...

    -w
     

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