Type: Dynamic Frequency response: 50 to 15,000Hz Polar Pattern: Cardioid (unidirectional), uniform with frequency, symmetrical about axis Impedance: Microphone rating impedance is 150Os (270Os actual) for connection to microphone inputs rated at 75 to 300Os Sensitivity (at 1,000Hz): Open Circuit Voltage: -58.0dBV/Pa (1.3 mV); 1 Pascal=94dB SPL Polarity: Positive pressure on the diaphragm produces positive voltage on pin 2 relative to pin 3 of the output connector
