The microphone shall be a directional condenser type utilizing a combination of gradient and interference actions to produce a well defined hypercardioid polar pattern. The microphone shall be no larger in diameter than 0.35 in. (9 mm), and the finish shall be matte black. On-axis frequency response shall be maintained within the range of 30 Hz to 18 kHz, as measured at 1 meter. Microphone sensitivity shall be at least 8.5 mV/Pa, and the self A-weighted noise level of the microphone shall be no higher than 21 dB. The microphone shall operate in a sound field of 133 dB-SPL with no greater than 1% THD. The microphone shall operate on phantom powering, covering the range from 9Vdc to 52Vdc. The microphone shall be the AKG Acoustics Model C 747 V11.
Features: Conference and lectern Houses of worship Theater, onstage miking Broadcast and recording