Shure BETA91A Kick Drum Microphone
Product #4010
SKU BETA91A
Usually ships in 2 - 3 weeks


Shure BETA91A Kick Drum Microphone

Product #4010 | SKU BETA91A
Usually ships in 2 - 3 weeks

Product Features
  • Wide Frequency Response
  • Low-Profile Design
  • Cardioid Polar Pattern
  • Interchangeable Cartridge
Our Price $639.00


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The Shure Beta 91A is a boundary microphone that can double as a kick drum mic, as it can capture the punch and attack of low-frequency instruments such as kick (bass) drums. It features a wide frequency response well suited for capturing a variety of audio signals such as organ and piano. The flat, boundary design also aides in producing a strong, solid low-end response, as well as make it easy to mount inside of a bass drum. The Beta 91A is ideal for both recording and sound reinforcement alike.

Key Features

  • Uniform half-cardioid polar pattern for maximum gain-before-feedback and rejection of off-axis sound
  • Low-profile design features integrated preamplifier and XLR connector to facilitate setup efficiency while minimising 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 maximise 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
  • Furnished with zipper pouch
Transducer Condenser (electret bias)
Polar Pattern Half-cardioid
Frequency Response 20 to 20,000 Hz
Output Impedance 146 Ohms
Sensitivity -48.5 dBV/Pa (3.8 mV)
Maximum SPL 2500-Ohm load: 155 dB (1 kHz at 1% THD)
1000-Ohm load: 151 dB (1 kHz at 1% THD)
Maximum Input Sound Level 20 Hz to 20 kHz, less than 1% THD
Signal-to-Noise Ratio 64.5 dB
Dynamic Range 2500-Ohm load: 125.5 dB (1 kHz at 1% THD)
1000-Ohm load: 121.5 dB (1 kHz at 1% THD)
Clipping Level 2500-Ohm load: 12.5 dBV
1000-Ohm load: 7.5 dBV
Self Noise (Equivalent SPL) 29.5 dB SPL (A-weighted)
Common Mode Rejection ≥55 dB (20 Hz to 200 kHz)
Switch Frequency Contour Switch: 7 dB of attenuation centred at 400 kHz
Power Requirements Phantom Power: 48 VDC +/- 4 Vdc (IEC-268-15/DIN 45 596), positive pins 2 and 3
Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Power Requirements 11 to 52 VDC phantom power, 5.4 mA
Output Connectors 1 x XLR male, balanced
Dimensions 95.1 x 139.1 x 20.3 mm
Weight 470 g

In The Box

  • Shure BETA91A Kick Drum Microphone
  • Zippered Carrying Bag

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In The Box

  • Shure BETA91A Kick Drum Microphone
  • Zippered Carrying Bag

Reviews

Own or use this product?
Give it a rating
Product:
Shure BETA91A Kick Drum Microphone
Manufacturer:
Shure
Model:
BETA91
SKU:
BETA91A
RM Product #:
4010
Element Type:
Condenser
Polar Pattern:
Cardioid