Beyerdynamic MC 930 - Technical Specifications

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Technical Specifications
Transducer type. . . . . . . . . . . . . . . True condenser
Operating principle. . . . . . . . . . . . Pressure
gradient
Frequency response. . . . . . . . . . . . 40 - 20,000 Hz
Polar pattern. . . . . . . . . . . . . . . . . Cardioid
Open circuit voltage at 1 kHz . . . . 30 mV/Pa
Nominal impedance . . . . . . . . . . . 180 Ω
Load impedance . . . . . . . . . . . . . . 1000 Ω
Max. SPL at 1 kHz . . . . . . . . . . . . . 125 dB (without
pre-attenuation)
140 dB (with
pre-attenuation)
Signal-to-noise ratio rel. to 1 Pa . . 71 dB
A-weighted equivalent SPL. . . . . . 16 dB
Bass roll-off filter . . . . . . . . . . . . . switchable,
6 dB/Octave
at 250 Hz
Power supply. . . . . . . . . . . . . . . . . 11 - 52 V
phantom power
Current consumption . . . . . . . . . . 4.6 mA
Dimensions
Length. . . . . . . . . . . . . . . . . . . . . . 128 mm
Diameter . . . . . . . . . . . . . . . . . . . . 21 mm
Weight . . . . . . . . . . . . . . . . . . . . . 115 g