Piezo contact microphone hi-z amplifier – low noise version – richard A 5-channel mixer / preamplifier for piezo disks by godfried-willem raes Piezo preamp wiring diagram
Piezo Preamp Wiring Diagram - Wiring Diagram
Piezo disk circuit opamp gif Piezo preamplifier preamp wiring xlr impedance zach poff Piezo microphone amplifier version schematic opamp noise hi low contact passive talkbass

Piezo Preamp Wiring Diagram - Wiring Diagram

A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes

Piezo contact microphone hi-Z amplifier – low noise version – Richard