Shure BETA91 Condenser Microphone For Kick Drum

• Premier live performance microphone with Shure quality, ruggedness, and reliability
• Uniform half-cardioid polar pattern (in the hemisphere above mounting surface) for maximum gain before feedback and rejection of off-axis sound
• Tailored frequency response for kick drums and bass-heavy instruments
• Wide dynamic range for use in high SPL environments
• Two-position contour switch enhances attack and clarity
• Integrated preamp and XLR connector reduce stage clutter and provide a quick, secure setup
• Low profile design requires no external mounting hardware
• Steel grille and die-cast metal construction resist wear and abuse

• Cartridge Type Electret Condenser
• Polar Pattern Half-cardioid (cardioid in hemisphere above mounting surface)
• Frequency Response 20 to 20,000 Hz
• Output Impedance @ 1 kHz 146 Ω
• Sensitivity open circuit voltage, @ 1 kHz, typical –48.5 dBV/Pa[1] (3.8 mV)
• Maximum SPL 1 kHz at 1% THD[2] 2500 Ω load 155 dB 1000 Ω load 151 dB
• Signal-to-Noise Ratio[3] 64.5 dB
• Dynamic Range @ 1 kHz 2500 Ω load 125.5 dB 1000 Ω load 121.5 dB
• Clipping Level 20 Hz to 20 kHz, 1% THD 2500 Ω load 12.5 dBV 1000 Ω load 7.5 dBV
• Self Noise equivalent SPL, A-weighted, typical 29.5 dB SPL-A
• Common Mode Rejection 20 Hz to 200 kHz ≥55 dB
• Frequency Contour Switch 7 dB of attenuation centered at 400 kHz
• Connector Three-pin professional audio (XLR), male, balanced
• Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
• Power Requirements 11–52 V DC[4] phantom power (IEC-61938), 5.4 mA
• Net Weight 470 g (16.6 oz.)

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