Earthworks M50 50kHz Omni 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

The M50 is a precision engineered 50kHz omnidirectional measurement microphone ideally suited for acoustical measurements 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.

Performance

Known for its accuracy, reliability and consistency, the M50 is the top of the line measurement microphone with extraordinary impulse response for those who have stringent requirements and demand the very best.

The M50’s audio performance is unparalleled. It has an ultra wide flat frequency response that extends from 3Hz to 50kHz and is flat throughout the entire spectrum.

The M50’s audio performance is unparalleled. It has an ultra wide flat frequency response that extends from 3Hz to 50kHz and is flat throughout the entire spectrum. Its omnidirectional polar response exceptionally consistent, providing an even coherent response a the direct and off-axis sections of the microphone capsule.

The M50 has a 138dB SPL rating without distortion and no handling noise.

With temperature compensated electronics, the M50 was built to deliver repeatable results no matter what the environment.

Lightning fast impulse response and linear phase response make the M50 ideal for use with 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.

Every M50 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.

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.

Benefits for Measurement

– Extended flat frequency response
– Near-perfect omnidirectional polar pattern
– Fast impulse response
– Meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements
– Reliable performance

Impulse Response

Polar Response

Frequency Response

The Earthworks Measurement 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. They are ideally suited for on-location 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.

Features

– 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
– Improved version of the SMAARTMIC previously offered by EAW
– 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
– Requires 48V Phantom Power
– 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: -20 deg C to 50 deg C ( -4 deg. F to 122 deg. F)
– Humidity: Up to 90%

Models

M50 50kHz omnidirectional measurement microphone

M50mp 50kHz omnidirectional measurement microphone – Matched Pair

Testimonial

“Over the years we have all used various measurement mics but it’s evident that Earthworks have become the standard for serious measurement work as they’re recommended by numerous measurement companies such as Smaart and they’re the best way to go for the future.”

Andrew Burch

“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.”

AudioXpress

Model	M50, M50mp

- Frequency Response: 3Hz to 50kHz ±1/-3dB
- Polar Pattern: Omnidirectional
- Sensitivity: 36mV/Pa (-29dBV/Pa)
- Power Requirements: 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: 229mm x 22mm (9 x .860 inches)
- Weight: .5 lb. (225g)

Download User Manual for Earthworks 50kHz Omni Measurement Microphone

Download Data Sheet for Earthworks 50kHz Omni Measurement Microphone