Micing multiple amps ??

Discussion in 'Microphones (live or studio)' started by luxeomni, Jun 29, 2005.

  1. luxeomni

    luxeomni Guest

    Ok this is my question :
    i m recording 3 amps for one take ( guitar signal splitter ), each cabinet mic ed by a sm57, ok now there is the question, how can i ( before recording ) be sure about no phase problem between the 3 mics?

    i heard about a Pink noise technique, but i m concerned about difference level between the pink noise on each cabinet and the true sound on each too so the phase will not response the same to the mic if they re not a the same level.

    Any ideas ?

    amps : Mesa road king, Marshall jcm 800 and Vox ac 30.

    thx :)
  2. Davedog

    Davedog Distinguished Member

    Dec 10, 2001
    Pacific NW
    Are all the amps being recorded close together? If so, why? Separate environments can do much for the tones being blended from such diverse sources and in such a case you would have little phase issues. Little Labs makes a splendid phase checker.
  3. luxeomni

    luxeomni Guest

    hi, yep the amps are close together juste separated by gobos.
    it seems that there is some bleeding between the mics.
  4. CoyoteTrax

    CoyoteTrax Well-Known Member

    May 25, 2005
    Home Page:
    Unless you're doing a science project, what's wrong with a little bleed?

    Zeppelin lived and breathed on mic bleed.
  5. Sheffy

    Sheffy Guest

    Since you are using a 57, here's what Shure says about your topic.

    - - - - -

    Mic placement is an art, not a science.

    There are fundamentals that first must be learned. Please read: http://www.shure.com/pdf/booklets/mics_for_music_studio.pdf

    We also suggest you subscribe to Mix Magazine as it regularly has articles on miking techniques of different engineers. You will see that each has different ideas and secrets, that is the art portion.

    The most important suggestion: Experiment and document. Every professional recording engineer keeps a notebook detailing mic selection, mic placement, mixer EQ settings, and the sound quality of each. Start with the ideas in the Studio Recording book linked above; make detailed notes so you can later recreate a sound you liked; and then experiment.

    Here is one example used for Led Zepplin: close mike the guitar amp with a Shure SM57 and also mike the amp from 15 feet away another Shure 57. Each mic goes to a different mixer input. Adding in some of the remote mic adds a "fullness" to the sound.

    - - - - - -

    Every recording engineer will have their own twist on how they record a guitar, but nearly all are based on the concepts that we present.

    For ideas on where to position the mic, please see: http://www.shure.com/pdf/booklets/music.pdf

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