SHURE BETA 87A Mikrofon Pojemnościowy

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.

• Cartridge Type: Condenser (electret bias)
• 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-weighted25.5 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 3Current Drain: 1.0 to 1.2 mA
• Connector: Three-pin (XLR) professional audio