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Johananna Reirs who was a school teacher in Germany reproduced sound as a experiment.
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Alexander Graham Bell tried to make a speaker based on Reirs work.
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Thomas Edison realized that paper tape movement through the machine sounded like words when played at high speed so he tested it using a stylus on a tinfoil cylinder
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Emilie Berliner came up with gramophone. He was the first to stop recording on cylinders and used flat discs made of glass
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Intrduced by RCA Victor, It Had a clearer sound than the phonograph
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Phonographs have become the thing of the past, record players poppularity was growing
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The first speaker were invented by General Electric and E.W. Kellogg of AT&T but was big and had the moving magnet on the inside
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Electrical recordings (using microphones) were replacing acoustic recordings, acoustic recordings is when the musicians played into a metal horn.
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"The first voice radios used a horn, and very quickly the horn was replaced by the electrodynamic loudspeaker invented in Schenectady at General Electric" (History of Speakers,Steve Normandin)
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Arthur Janszen worked on the speaker for the military
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"Arthur Janszen joined forces with the KLH loudspeaker company, and together they introduced the KLH 9." (Electrostatic Loudspeaker History, Unknown/Not Stated)
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Speakers are now produced in various shapes in sizes, for example companies like skullcandy,bose, beats by dre, etc are amoung the most popular.
