wholesale Shure Beta 87A Vocal Microphone

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Shure Beta 87A Vocal Microphone 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. Features 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 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 to A-weighted noise level) Signal-to-Noise Ratio 70.5 dB at 94 dB SPL (IEC 651) (S/N ratio is difference between 94 dB SPL and equivalent SPL of self-noise A-weighted.) Polarity Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 Power Phantom Supply Requirement: 11 to 52 Vdc, positive at both pins 2 and 3 Current Drain: 1.0 to 1.2 mA Connector Three-pin (XLR) professional audio Case Aluminum construction with blue metallic finish, and hardened steel grille with nickel satin chrome plating Dimensions See User Guide Net Weight 207 grams (7.6 oz) We have a lot of Brand new Shure,Sennheiser microphones,such as Shure SM57,SM58S,SM58LC,Beta57A,Beta58A,Beta87A,Sennheiser e845s,if you want more,please contact us,we will offer you good price.Wireless microphone such as Shure LX88II,EUT24/58,PGX24/SM58,PGX24/Beta58A,SLX4/Beta58A,Sennheiser EW100,EW3000,EW5000,EW135G2,EW122G2,EW545G2.

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