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Electric Speaker In Simple Structure Becomes Mainstream

Shenzhen LS Technology Co.Ltd | Updated: Nov 21, 2016

In 1898, the United Kingdom Sir Oliver Lodge further telephone mouthpieces in accordance with the principle of cone speakers, and we are familiar with the modern Horn is very similar to the invention now Sir 99% of the modern structure of the moving-coil loudspeakers Lodge called "roar of the telephone." But this cannot be used in invention, because until 1906 Lee De Forest invented the triode vacuum tubes, and made available to expand is a good thing after a few years, so the cone loudspeaker to gradually spread up until 1930.

And after 25 years, in the 1920 of the 20th century, radio appear. C. w. Rice, and e.  W. Kellogg published a landmark paper, "new non-drum unit", introduced direct-radiating loudspeakers, use this theory to design of Radiola 104 speakers swept the United States. In the past decades, electric speaker no change in fundamentals, improved design details and parts. Frequency response range dynamic range of older products have come a long way in terms of development. Electric speaker in simple structure, excellent sound quality, low cost, dynamic has become mainstream.

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