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Shure Beta 87A

Country/Region china
Categories Sound Reinforcement System
Telephone (852) 2942 2100, (86-10) 8536 0422, (86-21) 5521 1510, (86-20) 8386 3598, 8385 9896, 8384 3385, 8386 3535
ICP License Issued by the Chinese Ministry
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    Shure Beta 87A

    The Shure Beta 87A is a premium quality supercardioid hand-held electret condenser vocal microphone with exceptionally smooth frequency response and high sound pressure level capability. Used for professional sound reinforcement, broadcasting, and studio recording applications, the Beta 87A combines superb performance with the ruggedness needed for touring and field production.
    The Beta 87A features a controlled low-frequency roll-off that compensates for proximity effect and prevents the boomy” sound often associated with close pick-up. The characteristic Shure presence rise brightens the upper midrange. The tight supercardioid pattern, with null points at approximately 125 degrees, provides maximum isolation from other vocalists or instruments while offering minimal off-axis coloration. The Beta 87A operates on phantom power.

    Smooth frequency response with gradual presence rise
    Highly consistent supercardioid polar pattern provides superior gain-before-feedback
    Electronic low-frequency roll-off compensates for proximity effect
    Wide dynamic range (117 dB) and low distortion characteristics
    Very low susceptibility to RFI and electromagnetic hum
    Advanced cartridge shock-mount system absorbs mechanical shocks and reduces handling noise
    Built-in pop filter reduces undesirable wind and breath sounds
    Legendary Shure quality and reliability

    Cartridge TypeCondenser (electret bias)
    Frequency Response50 to 20,000 Hz
    Polar PatternSupercardioid
    Output ImpedanceRated at 150 ohms (100 ohms actual +/- 20%)
    Recommended minimum load impedance: 800 ohms
    Sensitivity (at 1,000 Hz)Open Circuit Voltage -52.5 dBV/Pa (2 mV)
    (1 Pa = 94 dB SPL)
    Clipping Level (at 1,000 Hz)1000 ohm Load: -6 dBV (0.5 V)
    Maximum SPL (at 1,000 Hz)140.5 dB (0.25% THD, 1000 ohm load)
    (equivalent sound pressure level;
    measured with true rms voltmeter)
    23.5 dB typical, A-weighted
    25.5 dB typical, weighted per DIN 45 405
    Dynamic Range117 dB (maximum SPL to A-weighted noise level)
    Signal-to-Noise Ratio70.5 dB at 94 dB SPL (IEC 651)
    (S/N ratio is difference between 94 dB SPL and equivalent SPL of self-noise A-weighted.)
    PolarityPositive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3
    PowerPhantom Supply Requirement: 11 to 52 Vdc, positive at both pins 2 and 3
    Current Drain: 1.0 to 1.2 mA
    ConnectorThree-pin (XLR) professional audio
    CaseAluminum construction with blue metallic finish, and hardened steel grille with nickel satin chrome plating
    DimensionsSee User Guide
    Net Weight
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