Custom Contact Mic Preamps - Yann Seznec
Building (or Buying) Contact Mics – Zach Poff
operational amplifier - What is a good circuit for recording a piezo contact microphone or an electric guitar pickup? - Electrical Engineering Stack Exchange
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Watch
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Piezo Preamps
Building (or Buying) Contact Mics – Zach Poff
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Piezo Preamps
Simple Contact Microphone
Amazon.com: UZIMO Enhanced Version Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System : Electronics
building contact microphones - john grzinich
F999B Sensitive Listen Through Wall Contact & Probe Microphone Amplifier System | eBay
Building (or Buying) Contact Mics – Zach Poff
Building (or Buying) Contact Mics – Zach Poff
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
SWM-25
Amazon.com: Metal Marshmallow Piezo Contact Mic (White +14dB) : Musical Instruments
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
