CK 77 WR/C 577 WR - Specifications

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Theater, onstage miking Recording Houses of worship Handsfree use Clip-on microphone for lectern	CK 77 WR/C 577 WR

Polar pattern	omnidirectional
Frequency range	20 to 20,000 Hz
Sensitivity	8 mV/Pa (-42 dBV)
Max. SPL	133 dB (k=1%)
Equivalent noise level (CCIR 468-3)	37 dB
Signal/noise ratio (A-weighted)	68 dB
Impedance	3500 ohms
Recommended load impedance	>10,000 ohms
Current consumption	<0.6 mA
Cable	1.5 m (5 ft.)
Finish	various matte colors
Net weight	0.4 g / 0.014 oz.
Shipping weight	85 g / 3 oz.
Patent(s)	Pressure compensation cavity for condenser transducer (Patent no. AT 407.322, US 6.351.543)