Shure Beta 87A Microphone

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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 Specifications Cartridge Type Condenser electret bias  Frequency Response 50 to 20,000 Hz  Polar Pattern Supercardioid  Output Impedance Rated at 150 ohms 100 ohms actual 20 Recommended minimum load impedance 800 ohms  Sensitivity at 1,000 Hz Open Circuit Voltage 52.5 dBVPa 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  Self Noise equivalent sound pressure level; measured with true rms voltmeter 23.5 dB typical, A weighted, 25.5 dB typical, weighted per DIN 45 405&
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