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Earthworks M23R 23KHz Reference Measurement Microphone

S$ 868.55
Special order! Expected availability: 1-2 weeks Not refundable/exchangeable
Key Features:
  • 23kHz omnidirectional measurement microphone
  • Ideally suited for acoustical measurements including loudspeaker design and quality control
  • Applicable where an accurate free-field measurement microphone is required
  • Infinitely matched. Infinitely flexible.
    The M23R 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.

    Infinitely Matched
    Every M23R has the same frequency response and sensitivity – matched to within +/- 0.5dB across the entire operating frequency range (3Hz to 23kHz).

    Infinitely Flexible
    Build your own matched array of reference microphones at your own speed. Simply add more M23Rs whenever you need them. They’ll match tomorrow or ten years from now.

    Consistent Results Across Space & Time
    Start doing multi-mic measurements or equip new teams at any time with confidence that all of their reference microphones match.

  • Specifications


    FREQUENCY RESPONSE: 3Hz -23kHz ±0.5dB

    POLAR PATTERN: Omnidirectional

    SENSITIVITY: 36mV/Pa (-28.9dBV/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)

    OPERATING TEMPERATURE RANGE: -4º to 140º F (-20º to +60º C)

    STORAGE TEMPERATURE RANGE: -40º to 176º F (-40 to +80º C)

    HUMIDITY: Up to 90%

    DIMENSIONS (L x D): 165mm x 22mm (6.25 x .860 inches)

    WEIGHT: .5 lb. (225g)

Prices do not include taxes.

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