| 摘要 |
An electroacoustic transducer, functioning as an acoustic pick-up or as a sound generator, has a housing having a bottom and a wall portion. A diaphragm is connected to the housing opposite the bottom and encloses a diaphragm volume. An electromagnetic system is arranged in the housing and has a coil connected to the diaphragm. The housing has at least one cutout cooperating with at least one projection provided on a device in which the electroacoustic transducer is to be mounted. The projection defines a passage between the diaphragm volume and a volume at the back of the housing and thus forms the main air passage.
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