Neumann.Berlin BCM 705 Microphone User Manual


 
Errors excepted, subject to changes • Printed in Germany • Publ. 09/05 514799
Technical Data
Acoustical operating principle .......................... Pressure gradient transducer
Directional pattern .................................................................................... Hypercardioid
Frequency range .................................................................................... 20 Hz...20 kHz
Sensitivity at 1 kHz into 10 kohm ........................................................ 1.7 mV/Pa
Rated impedance............................................................................................... 200 ohms
Rated load impedance ....................................................................................... 1 kohms
Signal-to-noise ratio, CCIR
1)
(rel. 94 dB SPL) ............................................ 62 dB
Signal-to-noise ratio, A-weighted
1)
(rel. 94 dB 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 10 kohms rated load impedance, tolerance ±2 dB
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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