Omnidirectional Electret Condenser Microphone Cartridge WM-63PR small, thin type omnidirectional microphone • Very Most suited to products having limited space • Better-shielded, RF-noise resistant type • WM-63PR - Dual Band. Appearance Typical Frequency Response Curve WM-63PR Relative Response (dB) +20 +10 0 -10 -20 -30 20 50 100 200 500 1000 Frequency (Hz) 2000 5000 10000 Unit: mm Dimensional Drawing WM-63PR 1.3 2.8 2- 0.45 6.0 Term. 1 Output MAX0.5 Sensitivity –45±4dB Vs = 2.0V RL = 2.2kΩ Specifications WM-63PR Sensitivity: Impedance: Directivity: Frequency: Max. operation voltage: Standard operation voltage: Current consumption: Sensitivity reduction: S/N ratio: –45±4dB (0dB=1V/Pa, 1kHz) Less than 2.2kΩ Omnidirectional 20-16,000Hz 10V 2V Max. 0.5mA Within –3dB at 1.5V More than 58dB Weight and dimensions are approximate. Specifications are subject to change without notice. 20000 ( X: –46±3dB T: –44±3dB ) Term. 2 Ground 1