Elements of acoustical engineering (1940) Elements of acoustical engineering elementsofacoust00olso Year: 1940 PRESSURE MICROPHONES 183 the high impedance of the crystal. A cross-sectional view of a diaphragm actuated crystal microphone is shown in Fig. D. Moving Conductor Microphones. — A moving coil microphone is a microphone in which the output results from the motion of a conductor in a magnetic field. The conductor may be in the form of a circular coil which is termed a moving coil microphone or in the form of a straight conductor which is termed an inductor microphone. These microp
Elements of acoustical engineering (1940) Elements of acoustical engineering elementsofacoust00olso Year: 1940 PRESSURE MICROPHONES 183 the high impedance of the crystal. A cross-sectional view of a diaphragm actuated crystal microphone is shown in Fig. D. Moving Conductor Microphones. — A moving coil microphone is a microphone in which the output results from the motion of a conductor in a magnetic field. The conductor may be in the form of a circular coil which is termed a moving coil microphone or in the form of a straight conductor which is termed an inductor microphone. These microphones are also termed dynamic microphones. DIAPHRAGM^ SUSPENSION CROSS-SECTIONAL VIEW m, '^i- III, - fM EQUIVALENT CIRCUIT
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