contact microphone preamp buffer - MOD WIGGLER
Alex Rice Piezo Preamplifier – Zach Poff
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Cortado MkII Balanced Buffered Contact Mic DIY Kit - Zeppelin Design Labs
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Piezo Element Amplifier for Guitar and Violin - Electronics-Lab.com
Custom Contact Mic Preamps - Yann Seznec
Amazon.com: UZIMO Enhanced Version Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System : Electronics
Watch
Simple Contact Microphone
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Amazon.com: Metal Marshmallow Piezo Contact Mic (White +14dB) : Musical Instruments
Piezo Preamps
Metal Marshmallow II Piezo Disc Contact Mic and Preamp - Etsy
Building (or Buying) Contact Mics – Zach Poff
field recording - DIY contact microphone - Sound Design Stack Exchange
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
building contact microphones - john grzinich
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
Designing and building an active contact microphone for field recording and sound design — Ezra Gray Audio - Sound Engineer & Sound Artist in Dorset, UK
operational amplifier - What is a good circuit for recording a piezo contact microphone or an electric guitar pickup? - Electrical Engineering Stack Exchange
Building (or Buying) Contact Mics – Zach Poff
F999B Sensitive Listen Through Wall Contact & Probe Microphone Amplifier System | eBay
Simple Contact Microphone
SWM-25
Piezo Preamps
