Lesson 3/Learning Event 1
Figure 33. Connections and construction of a doublebutton carbon microphone
NOTE: Figure 34 shows the exterior
appearance of an early doublebutton microphone
Figure 34. Early model Western Electric type 600A, doublebutton,
stretcheddiaphragm, carbon microphone
d. The disadvantages for the doublebutton microphone are similar to those
of a singlebutton microphone, except the waveform distortion is less. Figure 35
pictures the frequency responses for the singlebutton and doublebutton
microphones.
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