Patent ID: 8363878

Claim:
An electroacoustic transducer comprising: a diaphragm having a center dome and a sub dome connectingly provided around the center dome, the sub dome being formed with a flat flange part at a peripheral edge thereof, and a unit frame for oscillatably supporting the diaphragm, the unit frame being formed with a flat support face facing the flange part, and the flange part being attached to the support face via an adhesive, wherein a bonding area of the support face and the flange part increases gradually from an inside end of the support face to an outside end thereof, and wherein the support face includes a first boss group in which a plurality of first bosses is arranged at predetermined intervals along the inside end of the support face, and a second boss group in which a plurality of second bosses each having a diameter larger than that of the first boss is arranged at predetermined intervals on an outside of the first boss group.