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WARRANTY

All Earthworks® products carry a limited warranty (parts and 
labor). Please register your warranty at: earthworksaudio.com/
register. If you have any problems with your Earthworks 
products, please contact our warranty/repair department by 
email at: [email protected].

NOTE

This warranty only applies to Earthworks microphones 
purchased brand new. For microphones purchased/received 
second-hand, please contact us via our website.

37 Wilton Rd. Milford, NH 03055

[email protected]
© 2021 Earthworks Audio, Inc

SPECIFICATIONS

Frequency Response


3Hz to 30kHz +1/-3dB

Polar Pattern


Omnidirectional

Sensitivity


34mV/Pa (Typical)

Power Requirements


24-48V Phantom, 10mA

Peak Acoustic Input

140dB SPL

Output


XLR-3

Output Impedance


65Ω, balanced between pins 2 
& 3

Minimum Output Load


600Ω, balanced between pins 
2 & 3

Noise


20dB SPL (A weighted)

Dimensions


6.5 x .860 in. (165 x 22 mm)

Weight


.3lb (160g)

QTC30

Omnidirectional Microphone

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