Designing a Tin Can Piezo Microphone – DIY Recording Equipment
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Alex Rice Piezo Preamplifier – Zach Poff
Sam Technology Professionals: Build a preamp for Piezo Pickup,Crystal Mic (Easily)
operational amplifier - What is a good circuit for recording a piezo contact microphone or an electric guitar pickup? - Electrical Engineering Stack Exchange
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Piezo Preamps
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
Simple Contact Microphone
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Increase piezoelectric transducer acoustic output with a simple circuit - EDN
Acoustic Guitar Pickup circuit & Wireless using TL071 | ElecCircuit.com
DIY piezo preamp with hi-pass filter – breaks.berlin
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Piezo Preamps
Contact Mic - CircuitLab
How to Build a Microphone Amplifier Circuit
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
contact microphone preamp buffer - MOD WIGGLER
Simple Surface Microphone
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Simple Microphone to Speaker Amplifier Circuit Diagram
The Mint-box Piezo Buffer
