M50

50kHz Measurement Microphone

The M50 is a professional measurement microphone intended for large room calibration. The ultra wide frequency response of 3Hz to 50kHz is flat throughout the entire spectrum and results in accurate room calibration using Smaart, MLSSA, SIMM and TEF based systems.

  • 3Hz – 50kHz flat frequency response

  • Omnidirectional polar pattern

  • Handles up to 138dB SPL without distortion

From $1299

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  • 50kHz flat frequency response
  • Ideally suited for acoustical measurements that require extended frequency response, including high-end loudspeaker design and quality control, scientific research, measurements of ultrasonic or subsonic transducers, or any application where an extremely accurate free-field measurement microphone is required
  • Our top of the line measurement microphone with extraordinary impulse response for those who have stringent requirements and demand the very best
  • Provides laboratory grade accuracy
  • 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

Frequency Response: 3Hz to 50kHz ±1/-3dB

Polar Pattern: Omnidirectional

Sensitivity: 34mV/Pa (-29dBV/Pa)

Power Requirements: 24 – 48V Phantom, 10mA

Max Acoustic Input: 138dB 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: 229mm x 22mm (9 x .860 inches)

Weight: .5 lb. (225g)

 

M50 50kHz omnidirectional measurement microphone

M50mp 50kHz omnidirectional measurement microphone – matched pair

 

  • Test / Measurement
  • ADP1 1/2″ Calibrator Adapter
  • MC1 Microphone Clip
  • OMW1 Foam Windscreen

M50 Manual

M50 Data Sheet

Reviews

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“The M50’s measurement s confirm the manufacturer’s claims —moderately low noise, accurate sound pressure measurement, even and extended frequency response, and a good omnidirectional polar pattern. There are competitive microphones that do better in one or two of these areas, but there are none that I’m aware of that offer this particular balance of virtues.”

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