You are bidding on a SURE BETA 87A CONDENSOR MICROPHONE IN EXCELLENT CONDITION. For more information go to the link below.


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 Type Condenser (electret bias) Frequency Response 50 to 20,000 Hz view larger 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 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) 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 Dynamic Range 117 dB (maximum SPL
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