First loudspeaker

It was back in 1924 that a couple of researchers from General Electric, Chester Rice [image] and Edward Kellogg, patented what remains the basic design for virtually all the world's loudspeakers. In the 84 years since, engineers and enthusiasts have invested a lot of thought and energy in the refinement of Rice and Kellogg's concept, creating a valuable knowledge base for the do-it-yourself crowd.

Read more: How to Build Your Own Speakers: Step-by-Step DIY Tech - Popular Mechanics

On December 16 in 1925, radio listeners would soon be freed from their earphones after the first dynamic loudspeaker was designed by Chester Rice and Edward Kellogg. The development of the modern dynamic loudspeaker by two General Electric engineers—Chester W. Rice and Edward W. Kellogg—was right on time. In a landmark article, “Notes on the Development of a New Type of Hornless Loudspeakers,” published in the Sept. 1925 edition of AIEE Transactions, these two General Electric engineers describe what what we know consider the roots of modern loudspeaker technology.

Loudspeaker History

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