Oktava MK-105 Silver , Large Diaphragm Condenser Microphone, Studio microphone with 27.5 mm capsule, Polar pattern: Cardioid, Frequency range: 20 - 20000 Hz, Output sensitivity (mF/Pa): 10-16, Max. SPL (dB for 0.5% THD): 120, Inherent noise (DIN) dBA: