The guitar potentiometer is a small device that adjust the volume of your instrument and can also be used to control the tone b y utilising variable resistance. Is basically a variable resistor that changes the tone or volume by increasing or decreasing resistance. How? The pots normally contain three terminals. There is one outside pair connected to the resistive component while the middle terminal connects to an internal wiper that makes contact with the resistive element. Thanks to this configuration the wiper travels along the resistive element as you turn the knob, sending some of the signal to the output, and some to the ground.
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