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FEATURES

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

SPECIFICATIONS

• 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 1.9 lb
• Box Dimensions (LxWxH) 11.9 x 6.0 x 3.1"