Shure SM81-LC

4 845 kr

Kondensator instrument mikrofon

Artikelnr: SHU-SM81-LC Kategori: Varumärke:


Kardioid kondensorinstrumentmikrofon med brett frekvenssvar och, låg distorision, hög SPL och lågt brus.

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.

– 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


Type: Electret Condenser
Frequency Response: 20 to 20,000 Hz
Polar Pattern: Cardioid
Output Impedance: EIA rated at 150 Ω (85 Ω actual)
Sensitivity: at 1 kHz, open circuit voltage, -45 dBV/Pa[1] (5.6 mV)
Maximum SPL: 1 kHz at 1% THD, 1 kΩ load, 136 dB SPL
Signal-To-Noise Ratio: Ref. 94 dB SPL at 1 kHz 78 dB[2]
Clipping Level: 1 kHz at 0.25% THD, 1 kΩ 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), Packaged 0.740 kg (1.625 lbs)
Attenuator Switch: 0 or −10 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)

[1] 1 Pa=94 dB SPL
[2] S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted


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