Shure SM81-LC Condenser Cardioid Microphone



 Shure SM81-LC Condenser Cardioid Microphone

One of the world’s great studio or live mics.  Ruler-flat response 20 to 20,000 ultra-low self noise.  The ultimate in precise, detailed sound reproduction.  Excellent for use with acoustic instruments, choirs, overhead cymbal applications.  Buily-in 10dB attenuator and bass cut switch.  Phantom power only.

The Shure Model SM81LC is a high-quality, unidirectional condenser microphone designed for studio recording, broadcasting, and sound reinforcement.  Its wide frequency response, low noise characteristics, and low RF susceptibility have made it a standard for applications involving acoustic instruments, especially guitar, piano, and cymbals.

The SM81 is ruggedly constructed.  It operates on phantom power and performs over a wide range of temperatures and humidity conditions.  It is furnished with a swivel adapter, attenuator-switch lock, foam windscreen, and case for carrying and storage.  Other accessories are available.

Shure SM81-LC Specifications:

  • 20 Hz to 20 kHz frequency response
  • Flat response curve for accurate reproduction of sound sources
  • Low noise and high output clipping level
  • Low distortion over a wide range of load impedances
  • Cardioid polar pattern, uniform with frequency and symmetric about axis, providing maximum rejection and minimum coloration of off-axis sounds
  • Low RF susceptibility
  • Selectable low-frequency response: flat, 6 or 18dB/octave roll off
  • 0 dB/10 dB lockable attenuator switch
  • Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)
  • Rugged steel construction for durability
  • Field-usable over wide range of temperature and humidity conditions


UPC: 042406051194
SKU: SURSM81LC Categories: , Tags: , ,

Shure SM81 Specs

Transducer (Electret Bias) Condenser
Polar Pattern Cardioid
Frequency Response 20 Hz – 20 kHz
Dynamic Range (Typical) 120 dB
Signal-to-Noise Ratio 78 dB, (@ 94 dB SPL, IEC 651)
Maximum Input Sound Level 136 dB, (@ 250 Hz 0.5% THD)
146 dB, (with Pad)
Power Requirements Phantom 11 – 52v DC
Output Impedance 150 Ohms (85 Ohms Actual)
Output Connectors XLR-3M Type
Pad -10 dB Attenuation
Low Frequency Roll-Off -6 dB/Octave @ 100 Hz
-18 dB/Octave @ 80 Hz
Applications Sound Reinforcement, Broadcast and Studio Recording.
Dimensions 212 x 23.5 mm LxDiameter
Weight 8 oz. (230 g)
Packaging Info
Package Weight 1.8 lb
Box Dimensions (LxWxH) 11.9 x 6.0 x 3.1″

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