Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Designing a Tin Can Piezo Microphone – DIY Recording Equipment
Guitar FX Layouts: Acoustic Piezo Preamp
The Piezoelectric/Crystal Microphone · Steele Vintage Broadcast Microphone Collection · UGA Special Collections Library Online Exhibitions
Acoustic Guitar Pickup circuit & Wireless using TL071 | ElecCircuit.com
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
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Piezoelectric Transducer: Applications & Working Principle | Electrical4U
Contact Mic - CircuitLab
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Sam Technology Professionals: Build a preamp for Piezo Pickup,Crystal Mic (Easily)
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Simple Contact Microphone
Simple Surface Microphone
contact microphone preamp buffer - MOD WIGGLER
Increase piezoelectric transducer acoustic output with a simple circuit - EDN
Simple Contact Microphone
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
The Mint-box Piezo Buffer
Piezo Preamps
audio - Electronic stethoscope / contact mic not quite working - Electrical Engineering Stack Exchange
