Loudspeaker is an electroacoustic device that converts electroacoustic energy into sound energy. It plays a particularly important role for the radio industry. Speakers are used in amplifiers, radio receivers, recorders, and television sets. Classified into 5 main groups are electromagnetic speakers, electrostatic diaphragm speakers, magnetic diaphragm speakers, loudspeakers, and plasma speakers. In which the electromagnetic speaker is the most common of all speakers. In terms of structure, the electromagnetic speaker includes the following parts: speaker bone, magnet, dynamic coil, diaphragm, spider and speaker tendon. In this video, I would like to introduce the structure of electromagnetic speakers, how to check the speakers, and how to do the steps to replace the voice coil at home.
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