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Shure BETA 91A Kick Drum Microphone
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BETA 91A Kick Drum Microphone Specifications:
- Type: Electret Condenser
- Frequency Response: 20 to 20,000 Hz
- Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)
- Impedance:146 Ohms
- Sensitivity (at 1 kHz, open circuit voltage)
- -48.5 dBV/Pa (3.8mV)
- 1 Pascal=94 dB SPL
- Maximum SPL (1 kHz at 1% THD): 1000 Ohm load: 151 dB, 2500 Ohm load: 155 dB
- Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
- 64 dB
- S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
- Dynamic Range (at 1 kHz)
- 1000 Ohm load: 121.5 dB
- 2500 Ohm load: 125.5 dB
- Common Mode Rejection (20 Hz to 20 kHz): > 55 dB
- Clipping Level (20Hz-20 kHz at 1% THD)
- 1000 Ohm load: 7.50 dBV, 2500 Ohm load: 12.5 dBV
- THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL
- Self Noise (typical, equivalent SPL, A-weighted): 29.5 dB SPL-A
- Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
- Weight: Net: 470 g (16.6 oz.)
- Frequency Contour Switch: 7 dB of attenuation centered at 400 kHz
- Connector: Three-pin professional audio (XLR), male, balanced
- Power Requirements: 11-52 Vdc phantom power, 5.6 mA
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- Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
- Orders placed before 3 p.m. ET usually ship the same business day.
Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.
Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.
