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Shure
Beta Microphones
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Shure SM87A Professional Live Vocal Condenser Microphone
The Shure SM87A microphone is a professional-quality, handheld condenser microphone for use in sound reinforcement, broadcasting, and studio recording installations. Its supercardioid polar pattern provides greater rejection of unwanted sound sources, making it ideal for miking individual instruments in a multi-microphone setting or for miking single sources in a reverberant or noisy environment. An integral three-stage wind and pop filter protects against wind and breath noise. Its built-in shock mount reduces stand and handling noise.
Highly directional supercardioid pickup pattern
Controlled low-frequency roll-off
Very low RF and magnetic hum susceptibility
Minimally affected by varying load impedance
Built-in wind and pop filter
Transducer element shock mounted
Rugged construction for outstanding reliability
Field-usable over a wide range of temperature and humidity conditions
Accepts a wide variety of phantom power sources, including DIN 45 596 voltages of 11 and 52 Vdc
Question about the SM87A Professional Live Vocal Condenser Microphone? emailProduct SpecifiationsCartridge Type
Condenser (electret bias)
Frequency Response
50 to 20,000 Hz
Polar Pattern
Supercardioid
Output Impedance
Rated at 150 ohms (100 ohms actual +/- 20%)
Recommended minimum load impedance: 800 ohms
Sensitivity (at 1,000 Hz)
Open Circuit Voltage: -52.5 dBV/Pa (2.4 mV)
(1 Pa = 94 dB SPL)
Clipping Level (at 1,000 Hz)
1000 ohm Load: -6 dBV (0.5 V)
Maximum SPL (at 1,000 Hz)
140.5 dB (0.25% THD, 1000 ohm load)
Self-Noise (equivalent sound pressure level; measured with true rms voltmeter)
24 dB typical, A-weighted
26 dB typical, weighted per DIN 45 405
Dynamic Range
116.5 dB (maximum SPL to A-weighted noise level)
Signal-to-Noise Ratio
70 dB at 94 dB SPL (IEC 651)*
*S/N ratio is difference between 94 dB SPL and product's equivalent self noise (SPL A-weighted).
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3.
Power
Phantom Supply Requirement: 11 to 52 Vdc, positive at both pins 2 and 3.
Current Drain: 1.0 to 1.2 mA
Connector
Three-pin (XLR) professional audio.
Case
Aluminum construction with steel grille and satin black finish.
Dimensions
See User Guide.
Net Weight
200 grams (7 oz) Related and Similar to SM87A
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