Earthworks M23 23kHz Measurement Reference Microphone

The M23 is a precision engineered 23kHz 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.

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Earthworks M23 23kHz Measurement Reference Microphone

The New Standard in Audio Measurement.

The M23 is a precision engineered 23kHz 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.

Unparalleled Audio Results at an Affordable Cost with M23

The M23 has a flat frequency response that extends from 3Hz to 23kHz. Also, it has an exceptionally consistent omnidirectional polar response. Furthermore, it has a 140dB SPL rating without distortion and no handling noise.

Consistent Measurements in Any Location

In fact, M23 is immune to most temperature and atmospheric fluctuations. Consequently, the M23 delivers reliable and repeatable results in any environment.

Precision With Your Favorite Measurement Software

The M23 works with any 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.

M23 Electronic Calibration File

In fact, Earthworks individually hand-tune every M23 individually. They test and deliver each one with its own printed frequency response chart. Also, for each microphone, they create an Electronic Calibration File (ECF) during final testing. It is downloadable free of charge after product registration.

Professional Products Designed With Professionals In Mind.

In audio, our perception of what feels real and natural is incredibly sensitive to resolution in the time domain. In particular, the level of detail present in the initial transient is responsible for much of our sense of content, meaning, and frequency balance. Furthermore, this includes defining attributes like “timbre”, “texture”, and “air”. Earthworks’ M23 blazingly fast technology ensures that every performance sounds like life.

M23 Purchase Includes:

  • 1 x Earthworks M23
  • 1 x Microphone Clip
  • 1 x Calibration Adapter
  • 1 x Calibration Chart
  • 1 x Frequency Response Data Sheet (Available Upon Registering Your M23)
  • Precision engineered 23kHz omnidirectional measurement microphone
  • Ideal for acoustical measurements, loudspeaker design, and quality control
  • Flat frequency response from 3Hz to 23kHz
  • Consistent omnidirectional polar response
  • 140dB SPL rating without distortion and no handling noise
  • Immune to temperature and atmospheric fluctuations for consistent measurements
  • Compatible with popular measurement software like SMAART™, SIM™, REW™, etc.
  • Hand-tuned and tested with printed frequency response chart
  • Electronic Calibration File (ECF) available for download after product registration
  • Blazingly fast technology for realistic and natural audio reproduction.

Frequency Response: 3Hz to 23kHz +1/-3dB
Polar Pattern: Omnidirectional
Sensitivity: 34mV/Pa (Typical)
Power Requirements: 24-48V Phantom, 10mA
Peak Acoustic Input: 140dB SPL
Output: XLR-3
Minimum Output Load: 600Ω, balanced between pins 2 & 3
Noise: 20dB SPL (A weighted)
Dimensions: 165 x 22 mm (6.5 x .860 in.
Weight: 160g (.3lb)

For more information, please visit the manufacturer's website.