Speakers
A speaker is a device that converts electrical signals to sound waves. It is a transducer; a transducer is a device that converts one form of energy to another. Speaker may be referred to just one transducer or an integration of many transducers and filters.
Table of contents:
- History
Invention of the first Loudspeaker:
In 1867, Alexander Graham Bell constructed the first ever electrical speaker device for the purpose of building a telephone.
Later Ernst Siemens and Nicola Tesla improved upon Bell’s invention from the period of 1877 to 1881.
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