Shure Beta 91A

A Shure Beta 91A boundary effect microphone designed for kick drums, showcasing its half-cardioid pickup pattern and low-profile design.
A Shure Beta 91A boundary effect microphone designed for kick drums, showcasing its half-cardioid pickup pattern and low-profile design.

Shure Beta 91A

$10.00

Rent a Shure Beta 91A Kick Drum Microphone for unparalleled low-frequency sound capture, perfect for live performances and studio recordings. This boundary condenser microphone excels with its ultra-powerful low-end response, making it ideal not only for kick drums but also for capturing the deep tones of pianos and other bass-intensive sources. Its half-cardioid polar pattern ensures maximum gain before feedback, while the integrated preamp and XLR connection offer superior attack and punch, delivering studio-quality sound even in the most demanding situations. The Beta 91A's low-profile design fits effortlessly inside a kick drum or under a piano lid, providing clarity and punch with minimal stage clutter​​.

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User manual can be found here.

  • Microphone 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)

    Maximum SPL (1 kHz at 1% THD): 151 dB (1000 Ohm load), 155 dB (2500 Ohm load)

    Signal-to-Noise Ratio: 64 dB

    Dynamic Range (at 1 kHz): 121.5 dB (1000 Ohm load), 125.5 dB (2500 Ohm load)

    Common Mode Rejection (20 Hz to 20 kHz): > 55 dB

    Self Noise (equivalent SPL, A-weighted): 29.5 dB SPL-A

    Connector: XLR

    Weight: 470 g (16.6 oz.)

Use Cases:

  • Live Music Performances: Ideal for capturing the deep, resonant sounds of a kick drum on stage.

  • Studio Recording Sessions: Delivers studio-quality bass frequencies for drums, pianos, and other instruments.

  • Theater Productions: Enhances the low-frequency sounds, ensuring clarity and depth in musical theater performances.

  • Worship Services: Provides clear and powerful sound reinforcement for music-centric worship services.