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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).

Applications

Kick Drum

Piano/Organ

Microphone Types

Condenser:

Lightweight, sensitive diaphragm. Precisely and smoothly captures sound nuances. Powered by battery or phantom power supply.

Polar Patterns

HalfCardioid:

Picks up the most sound from above the flat mounted microphone and sound sound from the sides.

Frequency Responses

Tailored:

Smooth, extended response. Tuned to accentuate specific types of instruments or voices.

Form Factors

Boundary

Model Lines

BETA

Downloads
BETA Microphone Product Brochure (PDF)
Beta 91A Specification Sheet (PDF)
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
Specifications
Type
Electret Condenser
Frequency Response
20 to 20,000 Hz
Polar Pattern
Half-cardioid (cardioid in hemisphere above mounting surface) 
User Guides
File Language Type File Size
BETA 91A User Guide Chinese-Simplified, Chinese-Traditional, English, French, German, Italian, Japanese, Russian, Spanish PDF 2.42 mb