| 摘要 |
The arrangement relates to a dynamic sound transducer, in particular to a dynamic microphone for telephone sets, with a plunger-core magnetic system and an assigned coreless oscillator coil attached to a diaphragm. The oscillator coil comprises a collar connected to the diaphragm with a reduced number of layers which is adequate for rigidity, whereas the coil part which engages in the plunger core has the number of layers required for sound conversion.
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