Neumann.Berlin bcm 104 Microphone User Manual


 
122
Technical Data
Acoustical operating principle..........................Pressure gradient transducer
Directional pattern.................................................................................... Hypercardioid
Frequency range....................................................................................20 Hz...20kHz
Sensitivity at 1kHz into 10kohm........................................................ 1.7 mV/Pa
Rated impedance............................................................................................... 200 ohms
Rated load impedance....................................................................................... 1 kohms
Signal-to-noise ratio, CCIR
1)
(rel. 94dB SPL)............................................62 dB
Signal-to-noise ratio, A-weighted
1)
(rel. 94dB SPL)..............................76 dB
Equivalent noise level, CCIR
1)
................................................................................32 dB
Equivalent noise level, A-weighted
1)
........................................................... 18 dB-A
Weight .................................................................................................................................500 g
Diameter..........................................................................................................................64 mm
Length................................................................................................................................85mm
Height (without suspension)..........................................................................110 mm
measured in free-field conditions (IEC 60268-4) into 10kohms rated load impedance, 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
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