(1) Frequency Response: 20 - 16,000 Hz
(2) Directivity: Nondirectional
(3) Impedance: High
(4) Other Characteristics: Used for home tape recorders and radios
e. Dynamic Microphones. Known as the most ruggedly constructed of all broadcast
microphones, the dynamic microphone may be found in sports, remote broadcasts, and studio recording
situations. Because "wind pickup" noise does not affect the microphone, it is used outdoors.
(1) The dynamic microphone favors high frequencies over low. In the studio, this aids the
speaker with a deep or bass voice to achieve a higher pitch. Due to its sensitivity to higher frequencies,
it accentuates sibilance in a person's voice. (Some people produce a hissing sound while pronouncing s's
and ch's. This hissing sound is sibilance.)
(2) Dynamic Microphone Characteristics. This microphone operates on the moving coil
generator principle (fig 2-27). It uses a diaphragm and coil which move the field of a permanent
magnet. Sound waves striking the diaphragm cause the coil to be moved. This movement in a magnetic
field generates an output voltage.
Figure 2-27. Dynamic microphone
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