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Earthworks SR40

Cardioid microphone with 20 Hz to 40 kHz range
Earthworks SR40
Earthworks SR40 Earthworks SR40


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When you demand uncompromising microphone performance, you need an Earthworks mic.  You'll love what the Earthworks SR40 high-definition cardioid mic does for your recordings and live performances.  Its 20 Hz - 40 kHz frequency response means you're capturing a far wider range than most mics can touch.  The result?  Better depth and a truer sound that includes more high-frequency overtone content.  You'll also appreciate how well the SR40's true cardioid pickup pattern rejects outside sources, and how it gives you impressive gain before feedback.  


  • Cardioid polar pattern
  • Wide 20 Hz - 40 kHz frequency response
  • Impressive gain before feedback
  • Excellent rejection of outside sounds
  • Extremely fast impulse response and short diaphragm settling time
  • High SPL handling
  • Black finish
  • Includes wood microphone box

Additional Information

Condition New
Package Contents Mic clip, frequency response chart, manual, gift box
Length 212 mm
Diameter 22 mm
Unit Weight 0.5 lb
Transducer Type Condenser
Polar Pattern Cardioid
Number of Microphones Single Microphone
Phantom Required Yes
Impedance 65 Ohms, balanced (between pins 2 & 3)
Frequency Range 30 Hz - 40 kHz
Sensitivity -34 dBV/Pa (20 mV)
Max. SPL 139 dB
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