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    Shure Beta 91A Half-Cardioid Condenser Microphone

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    Shure Beta 91A Half-Cardioid Condenser Microphone

    Part # Beta 91A
    Model # Beta 91A
    The Shure Beta 91A Half-Cardioid Condenser Microphone is designed for use with kick drums, as well as other traditional low-frequency applications including piano. It features an updated microphone capsule, integrated preamplifier, and XLR connection.
    Availability: Usually arrives in 5-9 business days.

    Please be aware that global supply shortages outside our control may interfere with our normal delivery times and product availability. For more information, email [email protected] or call us at 888-256-4112.
    Description

    Details

    The Shure BETA 91A is designed for use with kick drums, as well as other traditional low-frequency applications including piano. Featuring an updated microphone capsule, integrated preamplifier, and XLR connection, Beta 91A offers a strong low-frequency response and is specifically tailored for bass frequency applications. The Beta 91A combines superior attack and punch for studio-quality sound, even at extremely high sound pressure levels (SPL).
    Features

    Features

    • Uniform half-cardioid polar pattern
    • Integrated preamplifier and XLR connector
    • Frequency response tailored for kick drum/low frequency applications - wide dynamic range for use in high SPL environments
    • Two-position contour switch: flat response and “low-mid scoop” settings
    • Requires no external mounting or accessories
    • Furnished with zipper pouch
    Specification
    Cartridge TypeElectret Condenser
    Polar PatternHalf-cardioid (cardioid in hemisphere above mounting surface)
    Frequency Response20 to 20,000 Hz
    Output Impedance @ 1 kHz146 Ω
    Sensitivity open circuit voltage, @ 1 kHz, typical–48.5 dBV/Pa (3.8 mV)
    Maximum SPL1 kHz at 1% THD2500 Ω load 155 dB1000 Ω load 151 dB
    Signal-to-Noise Ratio64.5 dB
    Dynamic Range@ 1 kHz2500 Ω load 125.5 dB1000 Ω load 121.5 dB
    Clipping Level20 Hz to 20 kHz, 1% THD2500 Ω load 12.5 dBV1000 Ω load 7.5 dBV
    Self Noiseequivalent SPL, A-weighted, typical29.5 dB SPL-A
    Common Mode Rejection 20 Hz to 200 kHz≥55 dB
    Frequency Contour Switch7 dB of attenuation centered at 400 kHz
    ConnectorThree-pin professional audio (XLR), male, balanced
    PolarityPositive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
    Power Requirements11–52 V DC phantom power (IEC-61938), 5.4 mA
    Weight1.036 lbs (470 g)
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