WM-034B Datasheet Text
Microphone Cartridges
.. Omnidirectional
Electret Condenser Microphone Cartridge
Series:
WM-034B/034DB (pin type) WM-034C/034D
G Low operation voltage of 1.0V to 10V (2M-034D type) G Microphone with pins for PCB (WM-034B/034DB type)
I Features
G Useful for almost any type telephone and other applications
I Sensitivity
WM-034B/034C Vs = 4.5V RL = 2.2kΩ X Y Z
- 46±3dB
- 42±3dB
- 38±3dB WM-034DB/034D Vs = 1.5V RL = 1.5kΩ M H P R U
- 44±2dB
- 42±2dB
- 40±2dB
- 38±2dB
- 36±2dB
I Specifications
Sensitivity Impedance Directivity Frequency Max. operation voltage Standard operation voltage Current consumption Sensitivity reduction See next page (0dB = 1V/pA, 1kHz) Less than 2.2k Ω [1.5k Ω] Omnidirectional 20- 16,000 Hz 10V 4.5V [1.5V] Max. 0.8mA [0.3mA] Within
- 3dB at 3V [(M.H.): Within
- 3dB at 1V] [(P.R.U.): Within
- 2dB at 1V] More than 60dB
S/N ratio
I Typical Frequency Response Curve
+20 Relative Response (dB) +10 0
- 10
- 20
- 30 20
50...