Shure PGA 57 LC

Microphone Type : Dynamic (moving coil)

Polar Pattern : Cardioid (unidirectional)

Frequency Response : 50 to 15,000 Hz

Polarity : Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of microphone output connector

Output Impedance (at 1000 Hz) : 200 ohms

Sensitivity (at 1000 Hz) : -56 dBV/Pa, (1.6 mV), 1 Pascal=94 dB SPL

Electromagnetic Hum Sensitivity : 26 dB equivalent SPL in a 1 millioersted field (60 Hz)