Pre-amplifier for piezo-based contact microphones 1U tile module

CTACT 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.

Features:
- High 4.7MR input impedance
- Diode protection of opamps from high voltage signals
- High gain over 2 AC-coupled stages

http://erthenvar.com/store/tilemodules/externalinterfacetiles/ctact

• ? mA +12V
• ? mA -12V
• ? mA 5V

No info about availability.