Stethomicrophone best

The Stethomicrophone is a classic stethoscope to which I added a high quality electret microphone capsule, a cable and a minijack connector , this way it is possible to connect to a computer or recorder that has power " Plugin power" and record sounds of heart, breathing and any other sound source to your imagination wants to play .



Signal to Noise ratio 74dB (Self Noise 20dBA)
Sensitivity -32 dB (+/- 3dB at 1kHz, 0dB=1V/Pa)
Operating Voltage 3 V (1.5-10 V) best