Filter – Understanding How Guitar Effects Work

filterFilter effects are a subcategory of Dynamics and they deal with controlling the volume of certain frequencies.

Equalizers are one of the most common effects in this category and you can find an Equalizer almost everywhere that you find a Volume Control. It is built into your amp, your mixing board, almost everywhere you look. EQs work by using different values of Capacitors to target a certain range of frequencies, and a slider or Volume knob to “Turn Down” (filter to ground) those frequencies. Most EQs are passive, meaning they can only turn down the volume of the frequencies that they target.

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