Shure BETA 91A Half-Cardioid Condenser Kick Drum Microphone
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|---|---|---|
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Description
The BETA 91A is a low-profile, boundary-design condenser microphone engineered for placement inside a kick drum or on a flat surface near any low-frequency source. Its half-cardioid polar pattern captures the full frequency range of the drum shell while the integrated XLR preamplifier and two-position contour switch let you dial in the attack and body balance on the fly.
Performance
- Low-profile boundary design: Lies flat inside the kick drum shell for consistent, repeatable placement
- 2-position contour switch: Choose between a flat response for recording or a shaped response with emphasized attack for live sound
- Integrated XLR preamp: Built-in preamplifier with XLR output eliminates the need for external preamp or adapter
- Half-cardioid pattern: Rejects sound from behind the microphone for effective isolation inside the drum
Specifications
- Type: Condenser (boundary/PZM design)
- Polar pattern: Half-cardioid
- Frequency response: 20 Hz to 20,000 Hz
- Sensitivity: -48.5 dBV/Pa (3.8 mV) at 1 kHz
- Output impedance: 150 ohms
- Maximum SPL: 155 dB
- Self-noise: 29.5 dB SPL-A
- Connector: Integrated XLR preamp, male XLR output
- Power: 11-52V phantom power
- Dimensions: 139 x 95 x 20 mm (5.48 x 3.74 x 0.80 in)
- Weight: 470 g (16.6 oz)
In the Box
- Shure BETA 91A microphone
- Zippered carrying pouch