User’s Guide
M23
Electronic Calibration Files
Register your new measurement microphone
within 30 days of purchase on our website at
earthworksaudio.com/register.
Once your Measurement Microphone has been
registered in our database, we will send you
your ECF to the valid email address provided in
your registration.
Warranty
All Earthworks microphones carry a limited
warranty (parts and labor).
Product Registration
To help you get the most out of your
Earthworks purchase, please take a moment
and register your product with us online at
earthworksaudio.com/register.
Service & Repair
If you have any problems with your Earthworks
products, please contact our Service & Repair
Department.
Email: [email protected]
Telephone: (603) 654-2433, ext. 119
MADE IN USA
Measurement Microphone
Printed in USA
earthworksaudio.com
July 11, 2018