Piezo Element Amplifier for Guitar and Violin - Electronics-Lab.com
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Alex Rice Piezo Preamplifier – Zach Poff
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Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
SWM-25
Piezo Element Amplifier for Guitar and Violin - Electronics-Lab.com
Simple Contact Microphone
building contact microphones - john grzinich
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Piezo Preamps
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
F999B Sensitive Listen Through Wall Contact & Probe Microphone Amplifier System | eBay
Designing and building an active contact microphone for field recording and sound design — Ezra Gray Audio - Sound Engineer & Sound Artist in Dorset, UK
Simple Contact Microphone
contact microphone preamp buffer - MOD WIGGLER
Amazon.com: Metal Marshmallow Piezo Contact Mic (White +14dB) : Musical Instruments
Piezo Preamps
Cortado MkII Balanced Buffered Contact Mic DIY Kit - Zeppelin Design Labs
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Custom Contact Mic Preamps - Yann Seznec
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Guitar Contact Microphone Preamp : 7 Steps - Instructables
