Instrument Microphone SM94

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  • Instrument Microphone Shure SM94

    Features: Instrument Microphone Shure SM94

    -A sensitive mic with a wide, flat response ideal for live amplified and acoustic instruments.
    -Extremely well-suited for reproduction of stringed instruments, woodwinds and cymbals
    -AA battery or phantom power
    -Internal shock mount
    -Wide dynamic range
    -Smooth, flat frequency response
    -Uniform Cardioid condenser
    -Frequency response: 40 to 16,000 Hz

    Specifications: Instrument Microphone Shure SM94

    Type Condenser
    Frequency Response 40 to 16,000 Hz
    Polar Pattern Cardioid
    Sensitivity (at 1,000 Hz) Open Circuit Voltage: –49 dBV/Pa (3.5 mV) (phantom)
    –50 dBV/Pa (3.2 mV) (battery) (1 Pa = 94dB SPL)
    Impedance Rated at 150 Ω; 200 Ω actual
    Output Clipping Level (1 kHz, 3% THD) 800-Ω Load–14 dBV (0.63 V) (phantom), 1% THD;
    –23 dBV (0.71 V) (battery), 3% THD
    Total Harmonic Distortion < 0.25% (130 dB SPL at 250 Hz into 800 Ω load)
    Maximum SPL 800 Ω Load: 141 dB (phantom), 123 dB (battery)
    Hum Pickup –3 dB equivalent SPL in a 1 millioersted field (60 Hz)
    Output Noise (equivalent sound pressure
    levels; measured with true rms voltmeter
    22 dB typical, A-weighted
    25 dB typical, weighted per DIN 45 505
    Dynamic Range 119 dB (phantom); 101 dB (battery) (maximum SPL, 2000–Ω load, to A–weighted noise level)
    Signal-to-Noise Ratio 72 dB (IEC 651)* at 94 dB SPL
    Overvoltage Protection Maximum External Voltage Applied to Pins 2 and 3 with respect to Pin 1: +52Vdc
    Reverse polarity protected to 75 Vdc
    Polarity Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3
    Power Supply Voltage: 11 to 52 Vdc, (+) pins 2 and 3
    Current Drain: 1.0 to 1.2 mA max. at 52 Vdc
    Battery Operation Type: 1.5 V alkaline, AA size (NEDA 15A)
    Life: Up to 5,000 hours with fresh battery
    Connector XLR professional audio 3-Pin
    Case Steel and brass construction with gray finish and stainless steel mesh grille
    Net Weight 250 grams (8.8 oz) less battery