Stereo Shotgun Microphone

RSM 191

A stereo shotgun microphone for broadcast, film, and on-location applications. Like its predecessor the RSM 191 A operates in mid/side technique; the corresponding new MTX 191 A matrix box offered significantly enhanced features.

  • Variable stereo shotgun microphone with shotgun and figure-8 patterns
  • Interference/pressure-gradient transducer
  • MS-stereo microphone, switchable to XY-stereophony
RSM 191
RSM 191
Diameter 30 mm
Length 212 mm
Weight 170 g
Current consumption (P48, IEC 61938) 2 x 1.9 mA
Directional Pattern M: Lobe-shaped, S: Figure-8
Frequency Range 20 Hz ... 20 kHz
Matching connector 2 x XLR 3 F
Rated Impedance 50 Ohms
Supply voltage (P48, IEC 61938) 2 x 48 V ± 4 V
Acoustical operating principle M: Pressure gradient/interference transducer, S: Pressure gradient transducer
Maximum output voltage 2540 mV
Rated load impedance 1000 Ohms
Equivalent noise level, CCIR 25/31 dB
Maximum SPL for THD 0.5% 134 dB
Equivalent noise level, A-weighted 16/22 dB-A
Sensitivity at 1 kHz into 1 kohm 23 mV/Pa
Maximum SPL for THD 0.5% with preattenuation 144 dB
Signal-to-noise ratio, CCIR (re. 94 dB SPL) 69/63 dB
Signal-to-noise ratio, A-weighted (re. 94 dB SPL) 78/72 dB
Signal-to-noise ratio, CCIR (re. 94 dB SPL) 69/63 dB

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