Miniature moving-coil type electroacoustic transducer

The utility model provides a miniature moving-coil type electroacoustic transducer, which comprises a case, a front cover, a magnetic circuit system, a centering disk and an annular voice coil, wherein the front cover is arranged above the case, the magnetic circuit system comprises an annular outer magnet body arranged in the case and an inner magnet body positioned at the inner side of the outer magnet body at specified intervals, a magnetic gap of the miniature moving-coil type electroacoustic transducer is formed between the outer magnet body and the inner magnet body, the centering disk is made of elastic materials, and is positioned between the front cover and the magnetic circuit system, a vibrating diaphragm is combined on one side surface of the centering disk, the annular voice coil is combined at one side of the centering disk facing the magnetic circuit system, one part of the annular voice coil is positioned in the magnetic gap, and in addition, a pair of leading wires is also led from one end side of the voice coil near the vibrating diaphragm. According to the structure, the utility model can effectively inhibit the non-equilibrium vibration of the vibrating diaphragm, can improve the qualified rate and the consistency of products, and is convenient for assembly and cost reduction.