DIY Contact Mic - Collin's Lab - YouTube
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Dynamic Mic Preamplifier Circuit
audio - Troubleshooting noisy FET buffer for contact mic - Electrical Engineering Stack Exchange
Simple Mic Circuit
Building (or Buying) Contact Mics – Zach Poff
Simple Surface Microphone
Simple Contact Microphone
Schematic diagram of electret microphone working principle - Printed Circuit Board Manufacturing & PCB Assembly - RayMing
Collin's Lab: DIY Contact Mic - Make:
Simple Microphone to Speaker Amplifier Circuit
Contact Mic - CircuitLab
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Simple Microphone to Speaker Amplifier Circuit Diagram
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Telephone Microphone To XLR Conversion – www.kaper.com
Speaker Microphone Circuit - circuit diagrams, schematics, electronic projects
Building (or Buying) Contact Mics – Zach Poff
field recording - DIY contact microphone - Sound Design Stack Exchange
Simple Contact Microphone
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Simple Contact Microphone
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
Use An Old Phone Handset To Produce A Lo-Fi Mic | Production Expert
