Acoustic Guitar Pickup circuit & Wireless using TL071 | ElecCircuit.com
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Binoy's Tech Blog: Using a piezo-microphone
Looking for piezo mic amplifier circuit - DIY STUFF - Look Mum No Computer Thingies
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Microphones
Designing a Tin Can Piezo Microphone – DIY Recording Equipment
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Alex Rice Piezo Preamplifier – Zach Poff
operational amplifier - What is a good circuit for recording a piezo contact microphone or an electric guitar pickup? - Electrical Engineering Stack Exchange
audio - Electronic stethoscope / contact mic not quite working - Electrical Engineering Stack Exchange
building contact microphones - john grzinich
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Alex Rice Piezo Preamplifier – Zach Poff
Guitar FX Layouts: Acoustic Piezo Preamp
Piezo Preamp Experiment - Cigar Box Nation
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
How to Build a DIY Contact MIC Circuit
Piezo Preamps
Contact Mic - CircuitLab
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Simple Microphone to Speaker Amplifier Circuit Diagram
contact microphone preamp buffer - MOD WIGGLER
