CM-30
Primary use:
Polar patterns:
Common name: Crown International CM-30
Production Status: Discontinued / Vintage
The CM-30 is designed for inconspicuous miking of a choir, orchestra or stage. The mic cable connects to the electronics/faceplate, which fits a standard electrical outlet box. The CM-30 can also hang over conference tables or discussion groups for inconspicuous isolated miking. It rejects background noise and room reverberation, and improves gain before feedback to a greater extent than a microphone with a cardioid pattern. Extreme low frequencies are filtered out to reduce pickup of room rumble. It is protected against static and radio frequency interference.
Electrical Characteristics
Frequency Response
40Hz - 20 kHz
Output Sensitivity
10 mV/Pa
Max SPL
120
Max SPL, THD:
3
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
28 dB-A
Output Impedance
150Ω
Recommended Load
1kΩ
Powering
Phantom 12-48
Supply Current
4.5 mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
None (hard wiring required)
Connector notes
Available Colours
Black (CM-30),white (CM-30W)
Weight
212 g
Length
37 mm
Min diameter width
Max diameter
13 mm
Depth
Accessories
Included
WS-5 windscreen (black or white)
Optional