Bass Guitar Preamp Pedal

Bass Guitar Preamp Pedal Schematic
Here is the circuit diagram and PCB design for relatively low cost DIY bass guitar preamp pedal uses FET K117 or equivalent. There is a bit difficult to build this kind circuit project, it’s require a good knowledge in electronics. This preamp has several features for the bass guitar instrument┬ásuch as attenuator, low cut, mid control and Hi boost. The circuit has some control: volume level, high frequency, high-mid frequency, low-mid frequency, bass frequency. Boost level and master level control also included in this circuit design.

Power supply circuit for bass guitar preamp also included in the PCB design. Simply connect the power supply section to the output of transformer with the secondary 15 + 15 V / 500 mA.

Bass Guitar Preamp Pedal PCB Design

Bass Guitar Preamp Pedal PCB Design

Bass Guitar Preamp Top PCB

Bass Guitar Preamp Kit

Bass Guitar Preamp Top Component Placement

Bass Guitar Preamp DIY

Bass Guitar Preamp Pedal Connection

Bass Guitar Preamp Pedal Connection

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2 thoughts on “Bass Guitar Preamp Pedal

  1. Kip Larsen

    Would it be possible to post a higher resolution image of the schematic?

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