| 摘要 |
An acoustic conversion device includes: a driving unit including a pair of magnets disposed so as to face each other, a yoke to which the pair of magnets are attached, a coil to which driving current is supplied, a vibrating portion which vibrates when driving current is supplied to the coil, and an armature disposed between the pair of magnets with the vibrating portion being passed through the coil; and a diaphragm unit including a diaphragm, and a beam portion for propagating the vibration of the vibrating portion to the diaphragm; with a coil attachment portion to which the coil is attached, located in a state in parallel with the vibrating portion, being provided to the armature.
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