Collin's Lab: DIY Contact Mic - Make:
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
How to Build a Microphone Amplifier Circuit
Schematic diagram of electret microphone working principle - Printed Circuit Board Manufacturing & PCB Assembly - RayMing
Contact Microphone : 8 Steps (with Pictures) - Instructables
Simple Microphone (MIC) Amplifier Circuits
Schematic diagram and pictures of the microphone combined with an... | Download Scientific Diagram
Building (or Buying) Contact Mics – Zach Poff
Building (or Buying) Contact Mics – Zach Poff
Simple Mic Circuit
Simple Contact Microphone
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Simple Microphone to Speaker Amplifier Circuit
How to Build a DIY Contact MIC Circuit
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Simple Microphone to Speaker Amplifier Circuit Diagram
audio - Troubleshooting noisy FET buffer for contact mic - Electrical Engineering Stack Exchange
Speaker Microphone Circuit - circuit diagrams, schematics, electronic projects
Make a Contact Microphone : 10 Steps (with Pictures) - Instructables
field recording - DIY contact microphone - Sound Design Stack Exchange
Wireless microphone schematic
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
simple condenser mic preamp circuit - ElecCircuit.com
Dynamic Mic Preamplifier Circuit
