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TC30
Omni High Definition
Microphone
for Loud Sources
User’s Guide
™
Printed in USA
earthworksaudio.com
July 11, 2018
MADE IN USA
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TC30
Description
The Earthworks TC30 is an omnidirectional (pressure)
pre-polarized condenser microphone directly coupled to
a dedicated wideband, low output impedance pream-
plier. The TC30 requires a standard 24-48V phantom
power supply. It features a linear free-eld frequency re-
sponse from 9Hz to 30kHz, fast impulse response, very
low handling noise, uniform polar pattern, and very high
SPL handling capabilities. It exhibits no proximity effect.
Each microphone is delivered with its own calibration
chart providing the individually measured frequency response curve. A mounting clip is included with the microphone.
Applications
The Earthworks TC30 is easy to operate. Connect the
microphone to a microphone preamplier supplying 2448V phantom power using a standard XLR microphone
cable. Please allow up to one minute for the microphone
to settle. Plugging in the microphone “hot” (phantom
power already present at the input) will not damage the
microphone, and is actually preferred for faster settling.
It is normal for any phantom powered mic to “pop” when
plugged in or powered up. Make sure to mute the signal
to speakers or headphones when phantom power is rst
applied.
The TC30 is an excellent general-purpose omni microphone. It is an ideal choice for close miking louder
sources like guitar, bass, piano, horns, and percussion.
The TC30 is very popular for drum overheads. It is incredibly clean and distortion-free up to 150dB SPL while
simultaneously capturing subtle details. Its fast, clean
impulse response yields remarkably transparent sound.
The TC30 is an excellent room mic for ambiance in the
studio and for recording rehearsals and performances.
It has no handling noise, no proximity effect, and is very
forgiving in terms of placement.
This microphone has no removable parts.
Care of Microphone
The Earthworks TC30 microphone is a precision instrument designed and built to provide years of excellent
performance. Following these simple rules will help to
protect your investment in the TC30:
Specications
Frequency response: 9Hz to 30kHz +1/-3dB
Polar Pattern: Omnidirectional
Sensitivity: 8mV/Pa (Typical)
Power Requirements: 24-48V Phantom, 10mA
Peak Acoustic Input: 150dB SPL
Output: XLR-3
Output Impedance: 65Ω, balanced between pins 2 & 3
Minimum Load: 600Ω btw. pins 2 & 3
Noise: 26dB, A equivalent
Dimensions L x D: 229 x 22 mm (9 x .860 in.)
Weight: 225g (.5lb)
Specications are subject to change without notice.
Pin 1
“Shield”
Pin 3
“-”
XLR Output Connector Assignment of TC30
Frequency Response of TC30 (typical)
Pin 2
“+”
Avoid touching the front protective screen.
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Never attempt to disassemble the microphone –
•
it cannot be opened.
Avoid extreme heat and condensing humidity.
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Allow the microphone to warm up in the case when
bringing it in from the cold weather.
Rough handling may damage the microphone even
•
if no visible marks are left.
When not in use keep the TC30 in its case.
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Impulse Response of TC30 (typical)
Polar Response of TC30 (typical)
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