Neumann.Berlin bcm 104 Microphone User Manual


 
52
Technical Data
Acoustical operating principle...........................Pressure gradient transducer
Directional pattern...................................................................................................Cardioid
Frequency range.....................................................................................20 Hz...20 kHz
Sensitivity at 1 kHz into 1 kohm..............................................................18 mV/Pa
Rated impedance................................................................................................... 50 ohms
Rated load impedance..................................................................................1000 ohms
Signal-to-noise ratio, CCIR
1)
(rel. 94dB SPL)..............................................73 dB
Signal-to-noise ratio, A-weighted
1)
(rel. 94dB SPL)................................84 dB
Equivalent noise level, CCIR
1)
.................................................................................21 dB
Equivalent noise level, A-weighted
1)
............................................................10 dB-A
Maximum SPL for THD 0.5%
2)
......................................................................140 dB
Maximum output voltage....................................................................................13 dBu
Dynamic range of the microphone amplifier (A-weighted).........130 dB
Supply voltage (P48, IEC61938).........................................................48 V ± 4 V
Current consumption (P48, IEC61938)........................................................3 mA
Matching connector.................................................................................................. XLR3F
Weight.................................................................................................................................480 g
Diameter.........................................................................................................................49 mm
Length........................................................................................................................... 175 mm
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Neumann is a registered trademark of the Georg Neumann GmbH in certain countries.
measured in free-field conditions (IEC 60268-4), tolerance ±2dB
1)
according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS
2)
measured as equivalent el. input signal