NEUMANN BCM 104

​Broadcast microphone. Acoustical operating principle Pressure gradient transducer Directional pattern Cardioid Frequency range 20 Hz ... 20 kHz Sensitivity at 1 kHz into 1 kohm 22 mV/Pa Sensitivity at –14 dB attenuation 4.4 mV/Pa Rated impedance 50 ohms Rated load impedance 1 kohms Equivalent noise level, CCIR1) 18 dB Equivalent noise level, A-weighted1) 7 dB-A Maximum SPL for THD 0.5%2) 138 dB Maximum SPL for THD 0.5% with preattenuation2) 152 dB Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) 76 dB Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) 87 dB Maximum output voltage 10 dBu Dynamic range of the microphone amplifier (A-weighted) 131 dB Supply voltage (P48, IEC 61938) 48 V ± 4 V ni