Neumann KM 183 mt - omnidirectional microphone, being a pressure transducer with a boost of approximately 7 dB at 10 kHz in free field. In diffuse field, it has a flat frequency response. It is based on the same transformerless circuit as the KM 100.
Acoustic operating principle: pressure transducer
Type: omnidirectional
Frequency range: 20 Hz-20 kHz
Sensitivity at 1 kHz / 1 kohm: 12 mV/Pa
Impedance: 50 ohms
Equivalent noise level, CCIR1: 24 dB
Equivalent noise level, A-weighted: 13 dB-A
Signal-to-noise ratio, CCIR1 (ref. 94 dB SPL): 70dB
Signal-to-noise ratio, A-weighted (ref. 94 dB SPL): 81dB
