Table or Altar
Figure 11: Table or Altar
Boundary or plate microphones, with their low-profile design - less than 3/4" (19 mm) high - provide very inconspicuous sound pickup at a table or altar. Unidirectional boundary mics pick up sound clearly over a horizontal angle of about 120° and a vertical angle of about 60° above the mounting surface (Fig. 11). Omnidirectional models pick up sound from all directions around the table or altar.
The microphone should be centered on the mounting surface and positioned with the front of the microphone facing the sound source. The sound source should not be below the surface of the mounting plane. Where feedback is a problem, a flexible gooseneck-style microphone may be installed, as on a pulpit, to place it very close to the subject.
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