- Description
Details
The Shure BETA 91A is designed for use with kick drums, as well as other traditional low-frequency applications including piano. Featuring an updated microphone capsule, integrated preamplifier, and XLR connection, Beta 91A offers a strong low-frequency response and is specifically tailored for bass frequency applications. The Beta 91A combines superior attack and punch for studio-quality sound, even at extremely high sound pressure levels (SPL).- Features
Features
- Uniform half-cardioid polar pattern
- Integrated preamplifier and XLR connector
- Frequency response tailored for kick drum/low frequency applications - wide dynamic range for use in high SPL environments
- Two-position contour switch: flat response and “low-mid scoop” settings
- Requires no external mounting or accessories
- Furnished with zipper pouch
- Specification
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 (3.8 mV) Maximum SPL1 kHz at 1% THD 2500 Ω load 155 dB1000 Ω load 151 dB Signal-to-Noise Ratio 64.5 dB Dynamic Range@ 1 kHz 2500 Ω load 125.5 dB1000 Ω load 121.5 dB Clipping Level20 Hz to 20 kHz, 1% THD 2500 Ω load 12.5 dBV1000 Ω load 7.5 dBV Self Noiseequivalent 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 phantom power (IEC-61938), 5.4 mA Weight 1.036 lbs (470 g) - Reviews
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