Pre-amplifier for piezo-based contact microphones 1U tile module
http://pulplogic.com/product/ctact/This offer was fetched from reverb.com. You cannot contact the seller via ModularGrid. You have to visit their site.
Look up onCTACT is a simple pre-amplifier for piezo-based contact microphones. It can be used with our Piezo Disc (15mm), or other piezo sensors. There are two jacks: piezo input and audio output in addition to a single gain knob.

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