Earthworks M30BX User Manual

Technical Support

Should you have any questions regarding 

your M30BX microphone please contact us:

e-mail: Support@earthworksaudio.com

phone:  (603) 654-2433, ext. 119 

(9am – 5pm ET)

For warranty and product return/exchange 

information please refer to the back of the 

enclosed Calibration Chart.

Electronic Calibration Files

All Earthworks Measurement Micro-

phones purchased after July 1, 2012 will 

have ECFs available at no charge. Simply 

register your new measurement micro-

phone within 30 days of purchase on our 

website. 

Once your Measurement microphone has 

been registered in our database, we will 

send you your ECF to the valid email ad-

dress provided in your registration.  If you 

have any questions you can email us at 

sales@earthworksaudio.com or reach us 

by phone at 603-654-6427 ext. 114.

FIFTEEN-YEAR WARRANTY

All Earthworks products (excluding acces-

sories) carry a fifteen-year limited warranty 

(parts and labor). If you have any problems 

with your Earthworks products, please con-

tact our warranty/repair department by 

email at: returns@earthworksaudio.com or 

by telephone at (603) 654-6427, Ext. 119.

Earthworks, Inc.

37 Wilton Rd.

Milford, NH 03055 USA

Phone: 1-603-654-6427

Fax: 1-603-654-6107

earthworksaudio.com

Made in U.S.A.

Printed in U.S.A.