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Shure Beta 91A Cardioid Condenser Kick Drum Microphone

Shure Beta 91A Cardioid Condenser Kick Drum Microphone

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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).
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  • Features
  • Reviews

Shure Beta 91A Cardioid Condenser Kick Drum Microphone, Includes RPM626 Preamplifier.

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).

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)
1 Pascal=94 dB SPL
Maximum SPL (1 kHz at 1% THD)
1000 Ohm load: 151 dB, 2500 Ohm load: 155 dB
Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
64 dB
S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
Dynamic Range (at 1 kHz)
1000 Ohm load: 121.5 dB
2500 Ohm load: 125.5 dB
Common Mode Rejection (20 Hz to 20 kHz)
> 55 dB
Clipping Level (20Hz-20 kHz at 1% THD)
1000 Ohm load: 7.50 dBV, 2500 Ohm load: 12.5 dBV
THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL
Self Noise (typical, equivalent SPL, A-weighted)
29.5 dB SPL-A 
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Weight
Net: 470 g (16.6 oz.)
Frequency Contour Switch
7 dB of attenuation centered at 400 kHz  
Connector
Three-pin professional audio (XLR), male, balanced
Power Requirements
11-52 Vdc phantom power, 5.6 mA
More Information
Product Name Shure Beta 91A Cardioid Condenser Kick Drum Microphone
Brand Shure
Condition New
MPN BETA91
UPC 042406187176
Shipping Option Free Shipping to the Continental U.S.
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)
1 Pascal=94 dB SPL
Maximum SPL (1 kHz at 1% THD)
1000 Ohm load: 151 dB, 2500 Ohm load: 155 dB
Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
64 dB
S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
Dynamic Range (at 1 kHz)
1000 Ohm load: 121.5 dB
2500 Ohm load: 125.5 dB
Common Mode Rejection (20 Hz to 20 kHz)
> 55 dB
Clipping Level (20Hz-20 kHz at 1% THD)
1000 Ohm load: 7.50 dBV, 2500 Ohm load: 12.5 dBV
THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL
Self Noise (typical, equivalent SPL, A-weighted)
29.5 dB SPL-A 
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Weight
Net: 470 g (16.6 oz.)
Frequency Contour Switch
7 dB of attenuation centered at 400 kHz
Connector
Three-pin professional audio (XLR), male, balanced
Power Requirements
11-52 Vdc phantom power, 5.6 mA

Shure Beta 91A Cardioid Condenser Kick Drum Microphone

1 total reviews

Details

Shure Beta 91A Cardioid Condenser Kick Drum Microphone, Includes RPM626 Preamplifier.

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).

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)
1 Pascal=94 dB SPL
Maximum SPL (1 kHz at 1% THD)
1000 Ohm load: 151 dB, 2500 Ohm load: 155 dB
Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
64 dB
S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
Dynamic Range (at 1 kHz)
1000 Ohm load: 121.5 dB
2500 Ohm load: 125.5 dB
Common Mode Rejection (20 Hz to 20 kHz)
> 55 dB
Clipping Level (20Hz-20 kHz at 1% THD)
1000 Ohm load: 7.50 dBV, 2500 Ohm load: 12.5 dBV
THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL
Self Noise (typical, equivalent SPL, A-weighted)
29.5 dB SPL-A 
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Weight
Net: 470 g (16.6 oz.)
Frequency Contour Switch
7 dB of attenuation centered at 400 kHz  
Connector
Three-pin professional audio (XLR), male, balanced
Power Requirements
11-52 Vdc phantom power, 5.6 mA
More Information
Product Name Shure Beta 91A Cardioid Condenser Kick Drum Microphone
Brand Shure
Condition New
MPN BETA91
UPC 042406187176
Shipping Option Free Shipping to the Continental U.S.
Features
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)
1 Pascal=94 dB SPL
Maximum SPL (1 kHz at 1% THD)
1000 Ohm load: 151 dB, 2500 Ohm load: 155 dB
Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
64 dB
S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
Dynamic Range (at 1 kHz)
1000 Ohm load: 121.5 dB
2500 Ohm load: 125.5 dB
Common Mode Rejection (20 Hz to 20 kHz)
> 55 dB
Clipping Level (20Hz-20 kHz at 1% THD)
1000 Ohm load: 7.50 dBV, 2500 Ohm load: 12.5 dBV
THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL
Self Noise (typical, equivalent SPL, A-weighted)
29.5 dB SPL-A 
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Weight
Net: 470 g (16.6 oz.)
Frequency Contour Switch
7 dB of attenuation centered at 400 kHz
Connector
Three-pin professional audio (XLR), male, balanced
Power Requirements
11-52 Vdc phantom power, 5.6 mA
Reviews