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Measurement Microphone
EarthWorks measurement microphone
Design and quality control, audio system for acoustic measurement site contains speaker setup and troubleshooting, room acoustics, or any need for accurate measurements of free-field microphone application systems or measuring systems
Function IntroductionTechnical ParametersConfiguration Checklist
 Earthworks company's M Series range measurement microphone its precise temporal and frequency response, high reliability and stability of the circuit design temperature and atmospheric conditions, it almost does not have any impact; accurate pulse to provide accurate broadband performance and zero response handling noise, It has become the industry recognized the most cost-effective measurement microphone reference level.

Acoustic measurements for field contains speaker design and quality control, audio system setup and troubleshooting, room acoustics, or any need for accurate measurements of free-field microphone application system or measurement system.

SMAARTMIC Rational Acoustics (the world's most widely used real-time sound Smaart measurement system manufacturer) suggested improved: trademark: measurement microphone omnidirectional flat frequency response, fast impulse response and precise directivity.

Apply SMAART: trademark:, MLSSA: trademark :, Spectrafoo: trademark:, TEF: trademark :, and RTA acoustic measurement system dbx, DEQX like.

Compliance with ANSI Type 1 requires 48V phantom power and IEC 61094 requirements

Each M Series microphones are delivered to customers with open measurement sensitivity and frequency response curves characteristic parameter calibration parameters to provide electronic documents for customers with amendment microphone.

Calibration parameters available electronic documents for customers with amendment microphone. (No extra charge)

Operating temperature range: -10 deg C to +40 deg C (14 deg F to 104 deg F..)

Storage temperature range: -20 deg C to +50 deg C (-4 deg F to 122 deg F..)
Type M23 M30 M50
Frequency response 9Hz~23kHz +1/-3dB 5Hz~ 30kHz + 1 / - 3dB 3Hz~50kHz +1/-3dB
Polar Pattern Omnidirectional Omnidirectional Omnidirectional
Sensitivity 30mV/Pa 30mV/Pa 30mV/Pa
Power Requirements 48VPhantom10mA 48VPhantom10mA 48VPhantom10mA
Peak Acoustic Input 142dB SPL 142db SPL 142db SPL
Output XLR XLR XLR
Minimum Load 600Ω2&3 600Ω2&3 600Ω2&3
Noise 22dB 22dB 22dB

Configuration content
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EarthWorks measuring microphone
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