A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Alex Rice Piezo Preamplifier – Zach Poff
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Metal Marshmallow II Piezo Disc Contact Mic and Preamp - Etsy
Designing and building an active contact microphone for field recording and sound design — Ezra Gray Audio - Sound Engineer & Sound Artist in Dorset, UK
contact microphone preamp buffer - MOD WIGGLER
Building (or Buying) Contact Mics – Zach Poff
Piezo Element Amplifier for Guitar and Violin - Electronics-Lab.com
Building (or Buying) Contact Mics – Zach Poff
Simple Contact Microphone
Piezo Preamps
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Piezo Preamps
field recording - DIY contact microphone - Sound Design Stack Exchange
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Amazon.com: Metal Marshmallow Piezo Contact Mic (White +14dB) : Musical Instruments
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Simple Contact Microphone
building contact microphones - john grzinich
Watch
Piezo Element Amplifier for Guitar and Violin - Electronics-Lab.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
