WM-55D103 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – Noise Cancelling Back Electret Condenser Microphone Cartridge

Noise Cancelling Back Electret Condenser Microphone Cartridge
WM-55D103
Â¥^{Close talk characteristics effectively reduce ambient noise.}
Appearance
WM-55D103
Typical Frequency Response Curve
+20
+10
0
-10
-20
-30
20
L = 1cm
L = 50cm
50
100
200
500 1000 2000
Frequency (Hz)
Dimensional Drawing
WM-55D103
5000 10000 20000
Unit: mm
5.0
6 - 1.0
Term. 1 Output
Term. 2 Ground
Sensitivity
Vs = 1.5V
RL = 680½
Specifications
Sensitivity:
Impedance:
Directivity:
Frequency:
Max. operation voltage:
Standard operation voltage:
Current consumption:
Sensitivity reduction :
S/N ratio:
Ð 54 ± 4dB (at L=50cm)
(0dB=1V/Pa, 1kHz)
Less than 680½
Noise cancelling
100-10,000Hz
10V
1.5V
Max. 0.5mA
Within Ð 3dB at 1V
More than 58dB
Ð 54 ± 4dB
(at L = 50cm)