Shure SM81 Cardioid Condenser Instrument Microphone

£399.46£332.88 Incl. VATExcl. VAT

SKU: SM81-LC Category:
Description

The Shure Model SM81 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.

Features
  • 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 18 dB/octave rolloff
  • 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
Specs
  • Type: Electret Condenser
  • Frequency Response: 20 to 20,000 Hz
  • Polar Pattern: Cardioid
  • Output Impedance: EIA rated at 150 Œ© (85 Œ© actual)
  • Sensitivity at 1 kHz, open circuit voltage: -45 dBV/Pa (5.6 mV)
  • Maximum SPL 1 kHz at 1% THD, 1 kŒ© load: 136 dB SPL
  • Signal-To-Noise Ratio Ref. 94 dB SPL at 1 kHz: 78 dB
  • Clipping Level 1 kHz at 0.25% THD, 1 kŒ© load: -4 dBV (0.63 V)
  • Hum Pickup typical, at 60 Hz, equivalent SPL/mOe: -3 dB
  • Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
  • Weight: Net: 0.230 kg (0.5 lbs)
  • Attenuator Switch: 0 or ‚àí10 dB, lockable
  • Connector: Three-pin professional audio (XLR), male
  • Housing: Steel construction with vinyl metallic paint finish and stainless steel screens
  • Environmental Conditions:
    • Operating Temperature: -6.7¬∞ to 49¬∞ C (20¬∞ to 120¬∞ F)
    • Storage Temperature: -29¬∞ to 74¬∞ C (-20¬∞ to 165¬∞ F)
    • Relative Humidity: 0 to 95%
  • Power Requirements: 11 to 52 V DC phantom power (1.2 mA)
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