Products
Shure SM81LC Condenser Instrument Microphone
- $558.72
($609.00 incl GST)
Cardioid condenser instrument microphone offers a wide frequency response and low self-noise. Features include flat response curve, low noise and high output clipping level, low distortion over a range of load impedances, and low RF susceptibility.
Note: Phantom Power is required
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The Shure 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. Other accessories are available.
FEATURES
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20 Hz to 20 kHz frequency response
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Flat response curve for accurate reproduction of sound sources
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Low noise and high output clipping level
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Low distortion over a wide range of load impedances
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Cardioid polar pattern, uniform with frequency and symmetric about axis, providing maximum rejection and minimum coloration of off-axis sounds
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Low RF susceptibility
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Selectable low-frequency response: flat, 6 or 18 dB/octave rolloff
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0 dB/10 dB lockable attenuator switch
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Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)
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Rugged steel construction for durability
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Field-usable over wide range of temperature and humidity conditions
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Type: Electret Condenser
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Frequency Response: 20 to 20,000 Hz
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Polar Pattern: Cardioid
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Output Impedance: EIA rated at 150 Ω (85 Ω actual)
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Sensitivity (at 1 kHz, open circuit voltage): -45 dBV/Pa[1] (5.6 mV)
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Maximum SPL (1 kHz at 1% THD, 1 kΩ load): 136 dB SPL
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Signal-To-Noise Ratio (Ref. 94 dB SPL at 1 kHz): 78 dB[2]
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Clipping Level (1 kHz at 0.25% THD, 1 kΩ load): -4 dBV (0.63 V)
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Hum Pickup (typical, at 60 Hz, equivalent SPL/mOe): -3 dB
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Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
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Weight:
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Net: 0.230 kg (0.5 lbs)
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Packaged: 0.740 kg (1.625 lbs)
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Attenuator Switch: 0 or −10 dB, lockable
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Connector: Three-pin professional audio (XLR), male
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Housing: Steel construction with vinyl metallic paint finish and stainless steel screens
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Environmental Conditions:
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Operating Temperature: -6.7° to 49° C (20° to 120° F)
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Sotrage Temperature: -29° to 74° C (-20° to 165° F)
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Relative Humidity: 0 to 95%
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Power Requirements: 11 to 52 V DC phantom power (1.2 mA)
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[1] 1 Pa=94 dB SPL
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[2] S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
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- SM81-LC Cardioid Condenser Mic
- A57F Microphone Holder
- Attenuator-switch lock
- Foam windscreen
2 Years
