Skip to main content

Shure Beta 91A Half-Cardioid Condenser Microphone

Part #:
Beta 91A
Model #:
Beta 91A
MSRP: $345.00
$269.00
Availability: Usually arrives in 5-9 business days. Please be aware that global supply shortages outside our control may interfere with our normal delivery times and product availability. For more information, email sales@proacoustics.com or call us at 888-256-4112.
Certified Audio
Expertise
FREE Custom
System Design
Get Expert
Help Fast

Ask an Expert

Our expertly trained Sales Engineers are ready to help!

(888) 256-4112

Get a Quote, Price or Support Fast!

We want to make contacting us as fast and as easy as possible. Please reach out if you have any questions or concerns about our products, system design, technical support, or orders.
Phone Monday - Friday
8:00 AM - 5:00 PM
1-888-256-4112
Email Contact us by email or
our simple form.
SEND EMAIL
The Shure Beta 91A Half-Cardioid Condenser Microphone is designed for use with kick drums, as well as other traditional low-frequency applications including piano. It features an updated microphone capsule, integrated preamplifier, and XLR connection.

Description

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
  • Integrated preamplifier and XLR connector
  • Frequency response tailored for kick drum/low frequency applications - wide dynamic range for use in high SPL environments
  • Two-position contour switch: flat response and “low-mid scoop” settings
  • Requires no external mounting or accessories
  • Furnished with zipper pouch

Specifications

Cartridge Type Electret Condenser
Polar Pattern Half-cardioid (cardioid in hemisphere above mounting surface)
Frequency Response 20 to 20,000 Hz
Output Impedance @ 1 kHz 146 Ω
Sensitivity open circuit voltage, @ 1 kHz, typical –48.5 dBV/Pa (3.8 mV)
Maximum SPL1 kHz at 1% THD 2500 Ω load 155 dB1000 Ω load 151 dB
Signal-to-Noise Ratio 64.5 dB
Dynamic Range@ 1 kHz 2500 Ω load 125.5 dB1000 Ω load 121.5 dB
Clipping Level20 Hz to 20 kHz, 1% THD 2500 Ω load 12.5 dBV1000 Ω load 7.5 dBV
Self Noiseequivalent SPL, A-weighted, typical 29.5 dB SPL-A
Common Mode Rejection 20 Hz to 200 kHz ≥55 dB
Frequency Contour Switch 7 dB of attenuation centered at 400 kHz
Connector Three-pin professional audio (XLR), male, balanced
Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Power Requirements 11–52 V DC phantom power (IEC-61938), 5.4 mA
Weight 1.036 lbs (470 g)
My Cart