Moving-coil cartridge and microphone

Abstract

The utility model belongs to electroacoustic transducer technical field discloses a moving coil type sound head and microphone. The moving coil type sound head includes shell, first sound pickup subassembly and second sound pickup subassembly, the inside of shell has acoustic cavity, shell has the sound inlet, acoustic cavity is connected with outside through sound inlet, first sound pickup subassembly includes first magnet and first sound film, is provided with first coil on first sound film, first sound film is opposite sound inlet and is arranged in acoustic cavity, first magnet is arranged in acoustic cavity, first sound film vibration drives first coil to move relatively first magnet and produces electric current, second sound pickup subassembly includes second magnet and second sound film, second magnet is arranged in acoustic cavity, second sound film and first sound film are along the propagation direction of sound wave in acoustic cavity and are spaced, are provided with second coil on second sound film, second sound film vibration drives second coil to move relatively first magnet and produces electric current. The moving coil type sound head improves the sensitivity of sound signal acquisition, can better capture and restore sound signal.

Images