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SHURE BETA 91A

  • SHURE BETA 91A
  • SHURE BETA 91A

    Stock 1 pc
    SERIAL #
    LINK https://www.shure.com/en-US/products/microphones/beta_91a
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    SHURE BETA 91A
    • Cartridge Type Electret Condenser
    • Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)
    • Frequency Response: 20 to 20,000 Hz
    • Output Impedance @ 1 kHz : 146 Ω
    • Sensitivity open circuit voltage, @ 1 kHz, typical : –48.5 dBV/Pa[1] (3.8 mV)
    • Maximum SPL 1 kHz at 1% THD[2] : 2500 Ω load 155 dB, 1000 Ω load 151 dB
    • Signal-to-Noise Ratio: 64.5 dB
    • Dynamic Range @ 1 kHz: 2500 Ω load 125.5 dB, 1000 Ω load 121.5 dB
    • Clipping Level 20 Hz to 20 kHz, 1% THD : 2500 Ω load 12.5 dBV, 1000 Ω load 7.5 dBV
    • Self Noise equivalent SPL, A-weighted, typical: 29.5 dB SPL-A
    • Common Mode Rejection 20 Hz to 200 kHz : ≥55 dB
    • Frequency Contour Switch: 7 dB of attenuation centered at 400 kHz
    • Connector: Three-pin professional audio (XLR), male, balanced
    • Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
    • Power Requirements: 11–52 V DC[4] phantom power (IEC-61938), 5.4 mA