User manual SHURE BETA 87C DATASHEET

[. . . ] [. . . ] The warm, natural sound creates an ideal environment for personal monitoring, with excellent rear rejection. Features · · · · · · · Premier live performance microphone with Shure quality, ruggedness, and reliability Uniform cardioid pick-up pattern for maximum gain before feedback and excellent rejection of off-axis sound Smooth, wide frequency response with slight presence rise and controlled proximity effect tailored for vocals Advanced cartridge shock mount system absorbs mechanical shock and minimizes handling noise Very low susceptibility to RF and electromagnetic hum Dent-resistant steel mesh grille and enamel coated metal alloy construction resist wear and abuse Effective built-in pop filter reduces undesirable wind and breath noise Available Models BETA 87C Cardioid Condenser Vocal Microphone BETA 87C Specifications Cartridge Type Frequency Response Polar Pattern Output Impedance Sensitivity (at 1kHz, open circuit voltage) Maximum SPL (1 kHz at 1% THD, 1k ohms load) Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz) Dynamic Range (at 1 kHz, 1 k ohms load) Clipping Level (1 kHz at 0. 25% THD, 1k ohms load) Self Noise (typical, equivalent SPL, A-weighted) Hum Pickup (typical, at 60 Hz, equivalent SPL/mOe) Polarity Weight Connector Power Requirements Electret Condenser 50 to 16, 000 Hz Cardioid 100 ohms -51 dBV/Pa (2 mV) 1 Pascal=94 dB SPL 139 dB 70. 5 dB S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted 117 dB -6 dBV (0. 5 V) 22 dB typical -5 dB Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3 Net: 0. 207 kg (0. 475 lbs) Three-pin professional audio (XLR), male 11 to 52 Vdc phantom (1. 2 mA) Furnished Accessories A25D Swivel Adapter 95A2314 Carrying/Storage Bag Polar Pattern Frequency Response +20 +10 dB 0 ­10 ­20 250 Hz 500 Hz 1000 Hz 2500 Hz 5000 Hz 10000 Hz 20 50 100 2 3 4 5 6 7 89 1000 2 3 4 5 6 7 89 10000 20000 Hz www. shure. com ©2010 Shure Incorporated [. . . ] [. . . ]