Piezo Preamps
Looking for piezo mic amplifier circuit - DIY STUFF - Look Mum No Computer Thingies
operational amplifier - What is a good circuit for recording a piezo contact microphone or an electric guitar pickup? - Electrical Engineering Stack Exchange
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Increase piezoelectric transducer acoustic output with a simple circuit - EDN
How to Build a Microphone Amplifier Circuit
Contact Mic - CircuitLab
Collin's Lab: DIY Contact Mic - Make:
Piezo Preamps
Sam Technology Professionals: Build a preamp for Piezo Pickup,Crystal Mic (Easily)
Simple Surface Microphone
Guitar Contact Microphone Preamp : 7 Steps - Instructables
contact microphone preamp buffer - MOD WIGGLER
Simple Contact Microphone
Simple Microphone to Speaker Amplifier Circuit Diagram
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Guitar FX Layouts: Acoustic Piezo Preamp
The Mint-box Piezo Buffer
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Microphones
Designing a Tin Can Piezo Microphone – DIY Recording Equipment
