Element: Fixed-charge back plate permanently polarized condenser Polar Pattern: Cardioid Frequency Response: 40 - 20,000 Hz Open Circuit Sensitivity: -48 dB (3.9 mV) re 1V at 1 Pa Impedance: 100 ohms Maximum Input Sound Level: 136 dB SPL, 1 kHz at 1% T.H.D. Dynamic Range: 113 dB, 1 kHz at Max SPL Signal-to-Noise Ratio: 71...