weight and dimensions are approximate. specifications are subject to change without notice. very small, thin type omnidirectional microphone most suited to products having limited space better-shielded, rf-noise resistant type WM-63PR - dual band. appearance sensitivity typical frequency response curve dimensional drawing WM-63PR WM-63PR unit: mm omnidirectional electret condenser microphone cartridge WM-63PR +20 +10 0 -10 -30 20 50 100 200 500 1000 2000 frequency (hz) relative response (db) 5000 10000 20000 -20 6.0 2- 0.45 1.3 max0.5 2.8 1 term. 1 output term. 2 ground specifications WM-63PR sensitivity: ?5 4db (0db=1v/pa, 1khz) impedance: less than 2.2k directivity: omnidirectional frequency: 20-16,000hz max. operation voltage: 10v standard operation voltage: 2v current consumption: max. 0.5ma sensitivity reduction: within ?db at 1.5v s/n ratio: more than 58db ( ) vs = 2.0v rl = 2.2k ?5 4db x: ?6 3db t: ?4 3db
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