Patent ID: 7168965

Claim:
A condenser microphone comprising: a microphone case which is formed by a metallic cylindrical body and is provided with a connector housing section on one end side thereof; a three-pin output connector mounted in the connector housing section; a connection plug which is provided on a balanced shielded cable and is connected to the three-pin output connector in a state of being inserted in the connector housing section, the connection plug being provided with a metallic outer ring which is electrically connected to a shield coated line of the balanced shielded cable and is in contact with an inner surface of the connector housing section and electrically connected to the microphone case, wherein said connector housing section includes a groove on the inner surface thereof, and a contactor for grounding which is formed of a plate spring material which is in elastic contact with and electrically connected to the outer ring of the connection plug is provided in the groove, wherein a plurality of the contactors are arranged at substantially even intervals along a circumferential direction of the inner surface of the connector housing portion.