WM-64C

Omnidirectional Back Electret Condenser Microphone Cartridge WM-64C／WM-64K ●Small and thin type omnidierectional microphone ●Solder type for leadwires ●Back electret type designed for high resistance to vibrations ●33pF or 10pF capacitor contained for RF noise reduction ●WM-64C(33pF), WM-64K(10pF) ■Appearance ■Dimensional Drawing Unit : mm 2.2 Φ6.0 Term.1 Output Term.2 Ground FET Impedance converter ■Typical Frequency Response Curve １μF Output +Vs 2.2kΩ Ground Rel at i v e Res pons e [ dB] ■Schematic Diagram +20 +10 0 - 10 - 20 - 30 Mic Capsule 20 50 100 200 500 Fr equenc y ■Sensitivity (33pF) (10pF) -45+/-4dB WM-64C WM-64K -44+/-3dB WM-64CT WM-64KT Specifications Dimensions Impedance Frequency Max operation voltage Standard operation voltage Current consumption Sensitivity reduction S/N ratio Specifications are subject to change without notice. 2k 5k [ Hz] Model No. Sensitivity （0dB=1V/Pa, 1kHz） 1k 6 x 2.2 mm Less than 2.2kΩ Omnidirectional 20-16,000Hz 10V 2V Max 0.5mA Within -3dB at 1.5V More than 58dB Vs=2.0V RL=2.2kΩ 10k 20k