Patent ID: 8467558

Claim:
A dynamic microphone, comprising: a microphone unit including a diaphragm having a voice coil and a magnetic circuit part having a magnetic gap in which the voice coil is arranged oscillatably; an inner cylinder having a hollow space therein and connected to a magnetic circuit part side of the microphone unit, said inner cylinder having a back air chamber and constituting a microphone body together with the microphone unit; and a microphone casing serving as an outer cylinder having an inside diameter larger than an outside diameter of the inner cylinder, a floating vibration-proof structure comprising an elastic member, arranged between a part of the inner cylinder and the microphone casing to floatingly support the inner cylinder in the microphone casing, and a weight attached to a lower side of the inner cylinder than a supporting point with the elastic member so that a center of gravity of the microphone body is arranged to coincide with the supporting point with the elastic member.