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The Shure SM81 is a high-quality small diaphragm, cardioid condenser microphone. Its flat, neutral frequency response, make it particularly well-suited for use on acoustic guitar, piano, cymbals and choirs.
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 effectively isolates source signal
Low RF susceptibility
Selectable low-frequency response: flat, 6 or 18dB/oct roll-off
0dB/10dB lockable attenuator switch
Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)
Rugged steel construction for durability
Field-useable over wide range of temperature and humidity conditions