| 摘要 |
PROBLEM TO BE SOLVED: To obtain high performance even when a unidirectional dynamic microphone is made compact.SOLUTION: A unidirectional dynamic microphone has: a microphone unit 2 including a diaphragm 21 vibrating by voice, a magnet 22 generating a magnetic field in a magnetic gap, and a voice coil 23 for outputting an electric signal in the magnetic gap provided in the diaphragm 21; a support housing 7 for forming an air chamber on the back side of the diaphragm 21; a first support member 5 for supporting the microphone unit 2 on the support housing 7; and a second support member 6 for supporting the microphone unit 2 on the support housing 7 at a position closer to an air chamber 4 than the position of the first support member 5.SELECTED DRAWING: Figure 1 |
