History of Loudspeaker?
rapid at iglou.com
Fri Mar 19 00:05:49 EST 1999
E. S. Pridham combined a telephone receiver and phonograph horn for a 1915
Christmas Eve celebration in San Francisco.
Jon W. Mooney, ASA
Noral D. Stewart wrote:
> Seung Min, Cho wrote:
> > Please, Tell me the history of loudspeaker..
> > long long time ago, first speaker?
> > history....
> > Thank you everybody...
> > I dont's speaking English... so, very basic level... I'm Sorry.
> Surprisingly, the loudspeaker was not invented until the 1920's, (I hope
> I am right on this) after radio and recording techology. Before that
> you listened with headphones or the old horn on the record player. It
> was the loudspeaker that made sound in movies practical. I have
> reposted this to alt.sci.physics.acoustics where you will likely get
> some more comments.
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