Omnidirectional Back Electret Condenser Microphone Cartridge
Omnidirectional Back Electret Condenser Microphone Cartridge
Series: WM-61A WM-61 B (pin type)
Microphone Cartridges
I...
Description
Omnidirectional Back Electret Condenser Microphone Cartridge
Series: WM-61A WM-61 B (pin type)
Microphone Cartridges
I Features G Small microphones for gener al use G Back electret type designed for high resistance to
vibrations, high signal-to-noise ratio G High sensitivity type G Microphone with pins for flexible PCB (WM-61B type)
I Sensitivity
Vs = 2.0V RL = 2.2kΩ
–35 ± 4dB
I Specifications Sensitivity Impedance Directivity Frequency Max. operation voltage Standard operation voltage Current consumption Sensitivity reduction S/N ratio
–35±4dB (0db = 1V/pa, 1kHz) Less than 2.2 k Ω Omnidirectional 20–20,000 Hz 10V 2V Max. 0.5 mA
Within –3 dB at 1.5V More than 62 dB
I Typical Frequency Response Curve
+20
+10
Relative Response (dB)
0
–10
–20
–30 20
50 100 200
500 1000 2000
Frequency (Hz)
I Dimensions in mm (not to scale) WM-61A
WM-61B
5000 10000 20000
3.4
Term 1 output
3.4 1.5
Term 1 output
ø6.0 1.9
ø6.0
Term 2 ground
Term 2 ground
Design and specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety arises from this product, please contact us immediately for technical consultation.
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