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SKU

5822

Earthworks M30 Omnidirectional Measurement Microphone

Omni measurement microphone - 3 Hz to 30 kHz +1/-3 dB
MFR# M30

Product Description

The Earthworks M30 is a precision engineered 30 kHz omnidirectional measurement microphone ideally suited for acoustical measurements including loudspeaker design and quality control, sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required.

Performance

Accuracy, consistency, and reliability have made the Earthworks M30 measurement microphone the first choice of live sound professionals, acousticians, and researchers all over the world for nearly twenty years. Used on countless full-scale concert tours, as well as in scientific research laboratories, tropical rainforests, and rocket testing facilities, the M30 and its M-Series siblings have proven to be lab-grade audio instruments that can handle any environment.

The M30’s audio performance is unparalleled. It has a flat frequency response that extends from 3 Hz to 30 kHz, an exceptionally consistent omnidirectional polar response, 140 dB SPL rating without distortion and no handling noise. With temperature compensated electronics, the M30 was built to deliver repeatable results no matter what the environment.

Extremely fast impulse response and linear phase response make the M30 ideal for use with high-quality FFT-based real-time audio system measurement software like SMAART, SIM, REW, Electroacoustics Toolbox, FuzzMeasure and others, as well as for use in PA system alignment and loudspeaker design.

Every M30 is individually hand-tuned and tested and is delivered with its own printed frequency response chart. An Electronic Calibration File (ECF) is generated for each microphone during final testing, and can be downloaded free of charge after product registration.

Features:

  • 30 kHz flat frequency response
  • Ideally suited for acoustical measurements including loudspeaker design and quality control, sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required
  • Improved version of the SMAARTMIC previously offered by EAW
  • Omnidirectional polar pattern
  • Flat frequency response, fast impulse response and exceptional polar characteristics
  • Used by SMAART, MLSSA, Spectrafoo, TEF and RTA in addition to acoustic measurement systems manufactured by dbx, DEQX and others
  • Meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements
  • Each M Series microphone is delivered with its own calibration chart providing its individually measured open-circuit sensitivity and the frequency response curve
  • Electronic Calibration File available
  • Operating Temp Range: -20 deg C to +60 deg C ( -4 deg. F to 140 deg. F)
  • Storage Temp Range: -40 deg C to +80 deg C ( -40 deg. F to 176 deg. F)
  • Humidity: Up to 90%
  • Re-calibration recommended every five (5) years

Product Specifications

Condition New
Package Contents Mic clip, 1/4" adapter, Frequency Response Chart, manual, gift box
Length 229 mm
Diameter 22 mm
Unit Weight 0.5 lb
Tube or Solid State Solid State
Transducer Type Condenser
Polar Pattern Omni-Directional
Number of Microphones Single Microphone
Impedance 65 Ohms, balanced (between pins 2 & 3)
Frequency Range 3 Hz - 30 kHz
Sensitivity -29 dBV/Pa (36 mV)
Max. SPL 140 dB

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