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M23
Earthworks Audio M23 23KHZ Measurement 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.
Type: Measurement Microphones
Features
Unparalleled Audio Results at an Affordable Cost
A flat frequency response that extends from 3Hz to 23kHz, an exceptionally consistent omnidirectional polar response, 140dB SPL rating without distortion and no handling noise.
Consistent Measurements in Any Location
Immune to most temperature and atmospheric fluctuations, the M23 delivers reliable and repeatable results in any environment.
Precision With Your Favourite 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.
Electronic Calibration File
Every M23 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.
Specifications
| FREQUENCY RESPONSE | 3Hz -23kHz ±1/-3dB |
| POLAR PATTERN | Omnidirectional |
| SENSITIVITY | 34mV/Pa (-29dBV/Pa) |
| POWER REQUIREMENTS | 24-48V Phantom, 10mA |
| MAX ACOUSTIC INPUT | 140dB SPL |
| OUTPUT | XLR (pin 2+) |
| OUTPUT IMPEDANCE | 65Ω balanced (between pins 2 & 3) |
| MIN OUTPUT LOAD | 600Ω between pins 2 & 3 |
| NOISE | 20dB SPL equivalent (A weighted) |
| DIMENSIONS (L x D) | 165mm x 22mm (6.5 x .860 inches) |
| WEIGHT | .36 lb. (160g) |