Shure SM39 Performance Headset Condenser Microphone (3-Pin LEMO)
SM39-LM3
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The SM39 headset microphone is designed for performers who demand the freedom to move boldly without sacrificing sound quality. Its lightweight, low-profile design provides legendary comfort and a secure fit, allowing you to move with confidence. The SM39 integrates seamlessly with Axient Digital and all Shure wireless systems, delivering reliable, uncompromising sound in any environment. Its cardioid polar pattern and over 20 dB off-axis rejection ensure every note is clear and accurate, even during the most dynamic performances. Sweat-resistant and designed with an ergonomic fit, the SM39 delivers unmatched comfort and the pristine sound artists need for unstoppable performances.
Features
• Axient Digital Compatibility: Integrates seamlessly with Axient Digital and all Shure wireless systems for reliable performance at every show.
• Compact and Reliable Design: The microphone sits securely in place with an adjustable, flexible boom arm, ensuring perfect positioning without restricting movement.
• Superior Sound Quality: Vocals are clear thanks to a cardioid polar pattern and over 20 dB of off-axis rejection, ensuring exceptional sound even in the noisiest environments.
• Ergonomic Design for Lasting Comfort: Fits naturally around the ear and jaw, providing a discreet fit that performers can wear comfortably for extended periods.
• Performance in Any Environment: Includes indoor and outdoor windscreens to ensure clear sound anytime, anywhere.
• Durable and Sweatproof: Features a hydrophobic coating that protects against sweat, helping maintain high-quality sound during intense performances.
Specs
Type: Electret Condenser
Polar Pattern: Cardioid
Frequency Response: 70 Hz to 20 kHz
Output Impedance (at 1 kHz, using RPM400 preamplifier): 95 ohms
Sensitivity: SM39-LEMO: -40 dBV/Pa
Maximum Sound Pressure Level: SM39-LEMO: 134 dB
Signal-to-Noise Ratio: SM39-LEMO: 72 dB
Dynamic Range: SM39-LEMO: 112 dB
Self-Generated Noise: SM39-LEMO: -112, A-weighted
Equivalent Output Noise: SM39-LEMO: 22 dB NPrA-A
Polarity: Positive pressure on the diaphragm produces a positive voltage on pin 3 relative to pin 1
Cable: 1.5 m (59 in)
Connector: LEMO
Power Supply: 5 VDC (recommended operating voltage provided on pin 2 of the microphone connector, relative to pin 1).
Net weight: SM39-LEMO: 54 g (1.91 oz)
