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Contour & Presence on GK 700 RB-II

Discussion in 'Amps and Cabs [BG]' started by andbaggio, Feb 13, 2014.

  1. andbaggio


    Dec 16, 2011
    Treviso, Italy
    I'm sorry for my ignorance but I haven't quite understood what do the presence and contour knobs do.

    I have a G-K RB 700 RB-II. Great amp, but I don't know what do those two knob do with my sound. Can someone please explain to me what are they used for.

  2. Freddels

    Freddels Musical Anarchist

    Apr 7, 2005
    Sutton, MA
    The Contour knob takes out the mids and the Presence adds highs.
  3. andbaggio


    Dec 16, 2011
    Treviso, Italy
  4. will33


    May 22, 2006
    Think of the Presence as a "high treble" knob. Adds some sparkle, like the presence control on guitar amps. And yeah, Contour is a mid-scoop. Leaving that one off (all the way to the left) would be "no effect". The further you turn it right, the more midrange gets scooped out of the sound, like a "smiley face" setting on a graphic eq.
  5. WingKL


    May 12, 2007
    Have you had the chance to read the manual?