Shure Beta 91A Condenser Boundary Microphone
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Product Details:
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- Type: Electret Condenser
- Frequency Response: 20Hz-20kHz
- Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)
- Impedance: 146 Ohms
- Sensitivity (at 1kHz, open circuit voltage): -48.5 dBV/Pa (3.8mV)
- Maximum SPL ( kHz at 1% THD): 1,000 ohm load: 151dB; 2500 Ohm load: 155dB
- Signal-to-Noise Ratio (referenced at 94 dB SPL at 1kHz): 64 dB
- Dynamic Range (at 1kHz): 1,000 Ohm load: 121.5dB; 2500 Ohm load: 125.5dB
- Common Mode Rejection (20Hz-20kHz): >55dB
- Clipping Level (20Hz-20 kHz at 1% THD) 1,000 ohm load: 7.50dBV, 2,500 ohm load: 12.5dBV
- Self Noise (typical, equivalent SPL, A-weighted): 29.5dB SPL-A
- Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
- Weight: 16.6 oz.
- Frequency Contour Switch: 7dB of attenuation centered at 400Hz
- Connector: 3-pin XLR, balanced
- Power Requirements: 11-52 Vdc phantom power, 5.6 mA
- Zipper pouch included
- Indent Order
