Theater, onstage miking
Lectern
Houses of worship
Conferencing
C 547 BL
The microphone shall be a boundary layer condenser type with a hypercardioid pattern. The size shall fall within the rectangular envelope given by: 185 x 120 x 19 mm (7.3 x 4.7 x 0.8 in.). The microphone’s sensitivity shall be no lower than 8.5 mV/Pa, and the microphone shall produce no more than 1 % total harmonic distortion (THD) at an acoustical operating level of 133 dB. The equivalent noise floor shall be no greater than 22 dB-A. The microphone shall operate on phantom powering over the range from 9 to 52 volts dc. The microphone shall be rugged enough to withstand the weight of a normal person who steps on it. Net/shipping weight: 160/420 g (5.6/14.8 oz.)
