Guyatone Guitar Pickup Amplifier GPX

Description

The Guyatone GPX Guitar Pickup Amplifier combines an equalizer and overdrive in a single pedal, intended to shape the signal from a guitar's pickup before it reaches an amplifier. Its overdrive section adds gain and saturation, with a control that adjusts the amount of distortion or drive applied to the input signal. The equalizer section provides tone shaping, allowing the user to boost or cut specific frequency ranges to alter the character of the overdriven sound or to compensate for the pickup's natural response. The pedal's effect on the sound is to increase harmonic content and sustain through the overdrive, while the EQ can tailor the overall brightness, midrange presence, or bass response. The exact control labels and their specific frequency points are not detailed in the available data, but the unit functions as a signal processor that modifies the guitar's output before it reaches the amp.