Shure Beta 87 Draadloos
Draaloze handzender Shure Beta 87
UHF-R Handheld Wireless System with UR4S Single Channel Diversity Reciever and UR2/Beta87A Handheld Transmitter.
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) 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 dBV/Pa (2 mV) (1 Pa = 94 dB SPL)
Maximum SPL (at 1,000 Hz) 140.5 dB (0.25% THD, 1000 ohm load)
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.)
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 Net Weight 207 grams (7.6 oz