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Shure BETA 87A Supercardioid Hand-Held Electret Condenser Vocal Microphone
Expected May 31, 2025
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The Beta 87A features a controlled low-frequency roll-off that compensates for proximity effect and prevents the “boomy” sound often associated with close pick-up. The characteristic Shure presence rise brightens the upper midrange. The tight supercardioid pattern, with null points at approximately 125 degrees, provides maximum isolation from other vocalists or instruments while offering minimal off-axis coloration. The Beta 87A operates on phantom power.
Shure BETA 87A Vocal Microphone Features:
- Smooth frequency response with gradual presence rise.
- Highly consistent supercardioid polar pattern provides superior gain-before-feedback.
- Electronic low-frequency roll-off compensates for proximity effect.
- Wide dynamic range (117 dB) and low distortion characteristics.
- Very low susceptibility to RFI and electromagnetic hum.
- Advanced cartridge shock-mount system absorbs mechanical shocks and reduces handling noise.
- Built-in pop filter reduces undesirable wind and breath sounds.
- Legendary Shure quality and reliability.
Shure BETA 87A Specifications
Beta 87A
Supercardioid Condenser Vocal Microphone
Cartridge Type
Electret Condenser
Frequency Response
50 to 20,000 Hz
Polar Pattern
Supercardioid
Output Impedance
150 ohms
Sensitivity (at 1kHz, open circuit voltage)
-52.5 dBV/Pa (2 mV)
1 Pascal=94 dB SPL
Maximum SPL
(1 kHz at 1% THD, 1k ohmsload)140.5 dB
Signal-to-Noise Ratio
(referenced at 94 dB SPL at 1 kHz)70.5 dB
S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
Dynamic Range
(at 1 kHz, 1 k ohmsload)117 dB
Clipping Level
(1 kHz at 0.25% THD, 1k ohms load)-6 dBV (0.5 V)
Self Noise
(typical, equivalent SPL, A-weighted)23.5 dB typical
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Weight
Net: 0.207 kg (0.475 lbs)
Connector
Three-pin professional audio (XLR), male
Power Requirements
11 to 52 Vdc phantom (1.2 mA)
Furnished Accessories
A25D Swivel Adapter, 95A2314 Carrying/Storage Bag
(1) Shure BETA 87A Vocal Microphone
(1) Microphone clip
(1) Carry pouch