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Technical Support 

Should you have any questions regarding your 
QTC50 microphone please contact us: 

 
e-mail: [email protected] 

phone:  1-603-654-6427 (9a.m. – 5p.m. ET) 
 
For warranty and product return/exchange 

information please refer to the back of the 
enclosed Calibration Chart. 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 

 

 

 

Earthworks, Inc. 

37 Wilton Rd. 

Milford, NH 03055 USA 

Phone: 1-603-654-6427 

Fax: 1-603-654-6107 

http://www.EarthworksAudio.com

 

 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 

 
 
 

Made in U.S.A. 

 

 

 

QTC

50

 Omnidirectional Microphone 

Owner’s Manual 

 
 

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