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Earthworks

M30

Earthworks Audio M30 Measurement Microphone

The measurement mic if you’re serious about sound

Used on countless full-scale concert tours, as well as in scientific research laboratories, tropical rainforests, and rocket testing facilities, the M30 has proven to be a lab-grade audio instrument that can handle any environment.


Features

Unparalleled Audio Results at an Affordable Cost

A flat frequency response that extends from 3Hz to 30kHz, an exceptionally consistent omnidirectional polar response, 140dB SPL rating without distortion and no handling noise.

Consistent Measurements in Any Location

Immune to most temperature and atmospheric fluctuations, the M30 delivers reliable and repeatable results in any environment. 

Precision With Your Favorite Measurement Software

Every M30 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.

Electronic Calibration File

Every M30 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.

Specifications

FREQUENCY RESPONSE 3Hz -30kHz ±1/-3dB
POLAR PATTERN Omnidirectional
SENSITIVITY 34mV/Pa (-29dBV/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)
DIMENSIONS (L x D) 229mm x 22mm (9.0 x .860 inches)
WEIGHT .5 lb. (225g)