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What does 3 band eq mean?

Discussion in 'Pickups & Electronics [BG]' started by DLI848, Nov 3, 2011.

  1. 3-band means an equalizer has three bands of equalization.
    Usually shelving bands for bass and treble, and a peaking band for the midrange.

    For preamps that boost and cut, there is a center detent on each pot. Turning the pot clockwise boosts the amplitude of the signal, centered at whatever frequency the preamp is engineered to equalize. Turning it counter-clockwise attenuates the amplitude of the signal, centered at the same frequency.

    Some preamps have adjustable frequency centers and a few even have adjustable bandwidth settings.

    I'm sure someone has a link on graphic and parametric Equalizers, that explains this better.
  2. 1. Google 3-band eq
    2. ?????
    3. Profit

    In all seriousness, a 3-band eq is just an equalizer with 3 bands...a dial for treble, one for mids, and one for bass.
  3. Three band EQ means you have separate active controls for bass, mids and treble. active means you can cut or boost those frequency bands.
    The Warwick Double Buck bass has a 2 band EQ or active controls for bass and treble.
  4. No, active means that the circuit operates with at least one active component. (A transistor or opamp that requires a source of DC power.)
    You can boost and cut frequency bands passively, too.
  5. bongomania

    bongomania Supporting Member Commercial User

    Oct 17, 2005
    PDX, OR
    owner, OVNIFX and OVNILabs
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