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Earthworks M30BX Measurement Microphone
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      Earthworks M30BX Measurement Microphone (J06274)
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Battery powered 30kHz measurement microphone with built-in preamp.

The M Series has become the accepted standard for affordable, reliable reference and measurement microphones that are accurate in the time domain and frequency response. They are remarkably stable with respect to temperature and atmospheric conditions and are optimized for clean, very fast impulse performance providing accurate wideband response with virtually no handling noise.

Earthworks M30BX Measurement Microphone Features:

  • Replaceable battery access
    Battery life of 300 hours
    Works with RTA apps by using iPad / iPhone to TRRS to XLR mic cable
    30kHz flat frequency response
    Improved version of the SMAARTMIC™ previously offered by EAW
    Omnidirectional polar pattern
    Flat frequency response, fast impulse response and exceptional polar characteristics
    Meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements
    Each M Series microphone is delivered with its own calibration chart
    Electronic Calibration File available



Earthworks M30BX Measurement Microphone Specifications:

  • Frequency Response: 9Hz to 30kHz ±1/-3dB
    Polar Pattern: Omnidirectional
    Sensitivity: 30mV/Pa (-30.5dBV/Pa)
    Power Requirements: 6V Battery Type P28 (2CR-1/3N, 4LR44 or equivalent)
    Max Acoustic Input: 138dB SPL
    Output: XLR (pin 2+)
    Min Output Impedance: 600O
    Noise: 22dB SPL equivalent (A weighted)
    Dimensions L x D: 220mm x 22mm (8.65 x .860 inches)
    Weight: .4 lb. (180g)


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To: GuitarCenter.com
PO Box 4769
Westlake Village, CA 91359
USA
866-498-7882
 
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