A Graphic Equalizer, or Graphic EQ for short, is an electronic device used to modify the levels of specific frequencies in an audio signal being transmitted electronically (sound coming through a wire).

Each fader represents a certain frequency range (which is labeled below the fader). These EQs can generally cover frequencies from 20hz to 20khz, the audible range of sound.

A Graphic EQ is a very visual way of doing sound engineering but it has many shortcomings. First, unlike Parametric EQs, a Graphic EQ will not let you get the frequencies in between the faders, so you may be stuck a little high or a little low in your choices. Secondly, they are big and take up a lot of space so most channels on a mixer use a parametric eq.

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