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1 Earthworks M50
1 Microphone Clip
1 Calibration Adapter
1 Calibration Chart
1 Frequency Response Data Sheet (Available Upon Registering Your M50)

YOUR PURCHASE INCLUDES

Thank you for purchasing the

Earthworks M50 Measurement Microphone!

Before setting up the microphone, pull back all existing settings and EQ. By doing this, you will have a 
baseline understanding of how our microphones sound, and will then be able to adjust accordingly.

Begin by removing all included components from the packaging. Make sure to mute any incoming 

signal to speakers or headphones to avoid any loud “pops” when connecting. 

Connect the microphone to an audio interface supplying 24-48V phantom power using a standard 
XLR cable. Because of the microphone’s larger capsule size, please allow one minute for the 
microphone to settle. (Plugging in the microphone while phantom power is turned on will not damage 
the microphone, and will actually settle the microphone faster.) 

To guarantee your microphone provides years of performance, follow these guidelines:

•  Never attempt to disassemble the microphone - it cannot be opened.
•  Avoid extreme heat and condensing humidity. Allow the microphone to warm up when bringing it 

in from the cold.

•  Rough handling may damage the microphone even if no markings are visible.
•  When not in use, keep the microphone in its case.

GET TING STARTED

PROPER 
MAINTENANCE

The small tip on many of our microphones allows them to capture the highest frequencies of 

your sound. Please be gentle and considerate when handling the microphones with these tips. 
(Microphones such as the SR314 and SR40V shield the tip within their capsule, and are thus 
more durable.)

The M50 meets or exceeds ANSI Type 1 requirements.

The microphone is calibrated at the factory at 1 kHz (independent of any frequency weighting).

Earthworks recommends re-calibration every five (5) years.

IMPORTANT 
NOTICES

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