How Does the Speaker Work?

- Aug 29, 2018-

The modern speaker uses an electromagnet to turn electric signals of varying strength into movement. The coil of copper wire moves as the magnet energizes. This works using induction. The coil is connected to a cardboard/paper/vinyl "cone". The cone is a diaphragm that vibrates along with the coil. Sound is created and amplified by the diaphragm. There are variations on how to build the speaker. A given speaker is designed to produce a specific frequency range.



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