Soyuz 011 FET, FET Small Diaphragm Condenser Microphone, Frequency range: 20 - 20,000 Hz, With -10 dB attenuator, Polar pattern: Cardioid, Sensitivity: 19 mV/Pa, Impdeance: 150 ohm, Max. sound pressure level: 130 dB, Equivalent noise level: 16 dB (A...
