WM-55D103

Microphone Cartridges Noise Cancelling Back Electret Condenser Microphone Cartridge Series: WM-55D103 ■ Features ● Close talk characteristics effectively reduce ambient noise ■ Sensitivity Vs = 1.5V RL = 680Ω –54± 4dB (at L = 50cm) ■ Specifications Sensitivity –54±4dB (at L = 50cm) (0dB = 1V/pA, 1kHz) Impedance Less than 680Ω Directivity Noise cancelling Frequency 100–10,000 Hz Max. operation voltage 10V Standard operation voltage 1.5V Current consumption Max. 0.5 mA Sensitivity reduction Within –3 dB at 1V S/N ratio More than 58 dB ■ Typical Frequency Response Curve Relative Response (dB) +20 +10 L = 1cm 0 –10 L = 50cm –20 –30 20 50 100 200 500 1000 Frequency (Hz) 2000 5000 10000 20000 ■ Dimensions in mm (not to scale) WM-55D103 5.0 Term 1 output ø9.7 6–ø1.0 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.