Frequency Response:
60Hz -30kHz ±3dB @ 1 ft
Low Frequency Rolloff:
60Hz, 15dB/octave
Polar Pattern:
True Semisphere™
Sensitivity: 60mV//Pa
Power Requirements:
24-48V Phantom, 10mA
Max Acoustic Input:
136dB SPL @ 1kHz
Dynamic Range:
116dB @ 1kHz
Signal to Noise Ratio:
74dB @ 1kHz
Noise:
20dB SPL (A weighted)
Output:
XLR-3M (pin 2+)
Min. Output Load:
1K between pins 2 & 3
Dimensions:
4.1 x 4.1 x 0.45 inches
(104.1 x 104. 1 x 11.4 mm)
Cable Length:
10’ (3.04m)
Connector Type:
XLR-3M
Weight:
0.36 lbs (162g)
Specifications
Earthworks Inc • 37 Wilton Road, Milford, NH 03055, USA
Email: info@earthworksaudio.com • Phone: 603-654-2433 • Fax: 603-654-6107
Dimension Drawings
Cable Length 10 ft. (3.04m)
with Installed XLR-3M
(dimensions shown in inches)
0.097
Cable Diameter
0.798
2.815
4.10
.460
.140
.025
Specifications subject to change without notice
Permanently Installed on Table
with XLR Connector Removed
Permanently Installed on Table
with XLR Connector Attached
Register your microphone online at
earthworksaudio.com/register
User’s Guide
CTB30
Boundary Microphone
