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Preamp

3 boards

KiCad boards from 3 GitHub repositories tagged “preamp”, the most starred first; open any of them in PCBKit.

  • 2 layers47.5 × 67.5 mmMicrophone preamp, the printed circuit board in 3D

    Microphone preamp

    polykit/microphone-preamp

    Schematics and PCB for a microphone preamp with phantom power

    47 parts16
  • 2 layers34 × 20.5 mmElectret preamp, the printed circuit board in 3D

    Electret preamp

    dunkelstern/electret_preamp

    Electret Microphone Preamp based on Texas Instruments Single-Supply, Electret Microphone Pre-Amplifier Reference Design by John Caldwell

    16 parts14
  • 2 layers37.5 × 97.5 mmDouble gain, the printed circuit board in 3D

    Double gain

    Supermagnum/double-gain

    A small PCB that uses two TL082BCP op amps to amplify a signal from a contact microphone.

    39 parts10CC-BY-4.0