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Shure SM81

Shure SM81


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Product Highlights

  • Cardioid Condenser Instrument Microphone: Ideal for capturing a wide range of instruments with precision.
  • Wide Frequency Response: Ensures detailed and natural sound reproduction.
  • Low Self-Noise: Guarantees clear audio without unwanted background noise.
  • High Output Clipping Level and Low Distortion: Offers consistent performance across various load impedances with minimal distortion.
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The Shure SM81-LC is a cardioid condenser instrument microphone, renowned for its ability to accurately capture the sound of various instruments. Its wide frequency response ensures that every nuance of the audio is captured with clarity and detail. Additionally, the microphone's low self-noise feature ensures that recordings are free from background interference, making it ideal for high-quality audio production in events. The high output clipping level and low distortion across different load impedances make this microphone a reliable choice for event organizers and planners, ensuring consistent performance in diverse settings.

  • Type: Condenser (electret bias)
  • Frequency Response: 20 to 20,000 Hz
  • Polar Pattern: Cardioid
  • Output Impedance: Rated at 150 ohms (85 ohms actual)
  • Sensitivity (at 1 kHz, open circuit voltage): -45 dBV/Pa (5.6 mV)
  • Maximum Sound Pressure Level (1 kHz at 1% THD, 1 k ohm load): 136 dB
  • Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz): 79 dB
  • Dynamic Range (at 1 kHz): 119 dB
  • Common Mode Rejection (20 Hz to 20 kHz): >50 dB
  • Clipping Level (1 kHz at 0.25% THD): 800 mV
  • Self Noise (equivalent sound pressure level, weighted): 16 dB
  • Overload Characteristics (1 kHz at 3% THD): 800 ohm load: 129 dB, 150 ohm load: 123 dB
  • Power Requirements: 11 to 52 Vdc phantom power (IEC-61938), 1.2 mA
  • Connector: Three-pin professional audio (XLR), male
  • Case: Steel construction with vinyl metallic paint finish and stainless steel screens
  • Environmental Conditions: Operating Temperature: -18°C to 57°C (0°F to 135°F), Storage Temperature: -29°C to 74°C (-20°F to 165°F), Relative Humidity: 0 to 95%
  • Accessories Furnished: Swivel adapter, windscreen, carrying case, and user guide