Soyuz 1973-S
Soyuz 1973-S, FET Large Diaphragm Condenser Microphone, Gold-coated 33 mm diaphragm, Frequency range: 30 - 18,000 Hz, Polar pattern: Cardioid, PAD: -10 dB / -20 dB, Sensitivity: 24.5 mV/Pa, Impedance: 150 Ohm, SPL: 140 dB, Noise floor: 18 dB...