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Shure BETA 91A Kick Drum Microphone

Name: Shure BETA 91A Kick Drum Microphone
Brand: Shure
SKU: H70025000000000
Price: 249.00 USD
Availability: InStock
Rating: 4 (13 reviews)

(13) Q&A SKU #H70025000000000

$24900

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Overview

Combines superior attack and punch for studio-quality sound.

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).

A 2-position contour switch maximizes attack and clarity depending on application. Select the flat response setting for natural sound in most applications or the "low-mid scoop" setting for a strong low frequency "punch" with plenty of higher frequency attack. The BETA 91A requires phantom power and comes with a zippered pouch.

Features

Uniform half-cardioid polar pattern for maximum gain-before-feedback and rejection of off-axis sound
Precision-engineered low-profile design features integrated preamplifier and XLR connector to maximize setup efficiency while minimizing stage clutter
Frequency response tailored for kick drum/low frequency applications
Wide dynamic range for use in high SPL environments
Two-position contour switch to maximize attack and clarity
Requires no external mounting or accessories for ease of use and storage
Furnished with zipper pouch

Get the low-end punch you need!

Specs

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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Shure BETA 91A Kick Drum Microphone

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