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NMK Electronics - Brand Shure
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Shure - INSTRUMENT BOUNDARY MIC, HALF CARDIOID

Half-Cardioid Condenser Microphone
Precision-engineered. Integrated preamp.Two-position contour switch for kick drum & other low-frequency applications.

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

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 with a wide dynamic range for use in high SPL environments
Two-position contour switch to maximize 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
Requires no external mounting or accessories for ease of use and storage Furnished with zipper pouch INSTRUMENT BOUNDARY MIC HALF CARDIOID from Shure is 100% original and is available at NMK Electronics. Speak to our expert for booking a live demonstration. After sales customer service is an integral part of our business ethic and is taken very seriously.

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Part Number: BETA 91A

Shipping info: Generally ships between 2 - 4 working days from order confirmation.


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Expert

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+971 52 1421535

Product Specification
Title Value
Microphone Type Boundary
Type Electret Condenser
Frequency Response 20Hz-20kHz
Polar Pattern Half-cardioid (cardioid in hemisphere above mounting surface)
Impedance 146 Ohms
Sensitivity (at 1kHz, open circuit voltage) -48.5 dBV/Pa (3.8mV)
Maximum SPL ( kHz at 1% THD) 1,000 ohm load
Signal to Noise Ratio 64.5dB
Self Noise 29.5dB (A weighted)
Connector XLR

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