Micro mai rùa Shure MX391W/O

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  • Micro mai rùa Shure MX391W/O

    Micro mai rùa Shure MX391W/O

    MX391 Microflex® Wired Boundary Microphones from Shure are the smartest boundary microphones yet. Equipped with features like programmable, silent membrane switches, logic inputs and outputs, and LED indicators, Microflex Boundary microphones are the high-quality solution for a range of applications, such as altars, boardrooms and distance learning centers. Every Microflex Boundary microphone features a choice of interchangeable condenser cartridges.


    Đặc điểm sản phẩm Micro Shure MX391W/O


    Designed to be unobtrusively placed flat on a stage, table top or wall while offering high quality audio for sound reinforcement, boardrooms, broadcast or recording.

    (Omni-directional) Includes attached 12" cable and separate in-line preamp, phantom power only

    • 50Hz to 17kHz frequency response
    • Easy to use paint mask for your custom-color installations


    Thông số kĩ thuật Shure MX391W/O


    Transducer Electret Condenser
    Polar Pattern Omnidirectional
    Environmental Requirements Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F)
    Relative Humidity: 0 to 95%
    Dimensions See User Guide
    Frequency Response 50 to 17,000 Hz  
    Output Impedance (at 1000 Hz) 180 ohms actual (rated at 150 ohms)
    Open Circuit Sensitivity 1 kHz ref. 1 V per Pascal * Cardioid: -29.6 dB (33.5 mV)
    Supercardioid: -28.3 dB (38.5 mV)
    Omnidirectional: -21.5 dB (81.4 mV)
    All settings -12 dB at 0 gain; *1 Pascal = 94 dB SPL
    Maximum Sound Pressure Level (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load) Omnidirectional: 110.7 dB
    Signal to Noise Ratio (referenced at 94 dB SPL) 79.5 dB
    Equivalent Output Noise (A-weighted) 14.5 dB SPL
    Dynamic Range at 1 k ohm Load 96.2 dB
    100 dB at 0 gain
    Common Mode Rejection 45 dB minimum, 10 Hz to 100 kHz
    Preamplifier Output Clipping Level -6 dBV (0.5 V)
    12 dB at 0 gain
    Polarity Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of the preamplifier XLR output connector.
    Power Requirements 11 to 52 Vdc phantom
    2.0 mA current consumption


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