恩平市天朗麦克风音头厂
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3.1
Dimensions
Ф14.0 x 6.0
3.2
Sensitivity Range
-45±3dB RL=2.2KΩ Vs=1.5V ( 1KHz 0dB=1V/Pa)
3.3
Impedance
680Ω
3.4
Frequency
50-13000 Hz
3.5
Directivity
Cardioid (0。~180。@1KHz >12db)
3.6
Current Consumption
Max.0.5mA
3.7
Operation Voltage Range
1.0V-10V
3.8
Max. Sound Pressure Level
120dB S.P.L
3.9
S/N Ratio
More than 60dB
3.10
Sensitivity Reduction
3V-1.5V Sensitivity Variation less than 3dB
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