Neumann KMR81I Super-Cardioid Short Shotgun Condenser Microphone - Nickel


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Dale #:NEUM-KMR81I

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  • The KMR 81 is a shotgun microphone with a high directivity that remains within the acceptance angle independent of the frequency. The advantage is that a sound source, for example an actor on stage, will not change its apparent tonal balance when moving within this area.


    • Interference tube microphone with shotgun directional characteristic
    • Interference/pressure-gradient transducer
    • High lateral and back attenuation
    • 90Îç-recording angle
    • Switchable filter or preattenuation features
    • Extensive accessories for outdoor use
    • Light weight - 145 g

    Shotgun microphones are particularly useful in recording situations where a microphone cannot be positioned within the desired distance of the sound source to produce a sufficiently loud signal level. Typical applications are film and video recordings, where the microphone should not appear in the picture. The KMR 81 has been specifically designed for electronic news gathering.

  • Acoustical operating principleInterference transducer
    Directional patternSupercardioid/lobe
    Frequency range20 Hz ... 20 kHz
    Sensitivity at 1 kHz into 1 kohm18 mV/Pa
    Rated impedance150 ohms
    Rated load impedance1 kohms
    Equivalent noise level, CCIR1)23 dB
    Equivalent noise level, A-weighted1)12 dB-A
    Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL)71 dB
    Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL)82 dB
    Maximum SPL for THD 0.5%2)128 dB
    Maximum SPL for THD 0.5% with preattenuation2)138 dB
    Maximum output voltage1.3 dBu
    Dynamic range of the microphone amplifier (A-weighted)116 dB
    Supply voltage (P48, IEC 61938)48 V ± 4 V
    Current consumption (P48, IEC 61938)0.8 mA
    Matching connectorXLR3F
    Weight145 g
    Diameter21 mm
    Length226 mm
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