An electrophone is any musical instrument which produces sound primarily by electrical means. It is one of the five main categories in the 1961 revision of the Hornbostel-Sachs scheme of musical instrument classification (though it was not included in the original scheme published in 1914). The other four are idiophone, membranophone, chordophone and aerophone. A musical instrument is a device that has been constructed or modified with the purpose of making music. ... A schematic representation of auditory signaling Sound is an alternation in pressure, particle displacement, or particle velocity propagated in an elastic material (Olson 1957) or series of mechanical compressions and rarefactions or longitudinal waves that successively propagate through medium that are at least a little compressible (solid, liquid or gas... The article on electrical energy is located elsewhere. ... Hornbostel-Sachs (or Sachs-Hornbostel) is a system of musical instrument classification divised by Erich Moritz von Hornbostel and Curt Sachs, and first published in the Zeitschrift für Musik in 1914. ... At various times, and in various different cultures, various schemes of musical instrument classification have been used. ... An idiophone is any musical instrument which creates sound primarily by way of the instrument itself vibrating, without the use of strings or membranes. ... A membranophone is any musical instrument which produces sound primarily by way of a vibrating stretched membrane. ... A chordophone is any musical instrument which produces sound primarily by way of a vibrating string or strings stretched between two points. ... An aerophone is any musical instrument which produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound. ...

Any instrument which produces sound purely by electric means is an electrophone, but the term was not originally applied to instruments where electricity was only used to amplify a sound produced by conventional measures (so that the electric guitar, for example, would be classified as a chordophone, not electrophone). An electric guitar is a type of guitar with a solid or semi-solid body that utilizes electromagnetic pickups to convert the vibration of the steel-cored strings into electrical current. ... A chordophone is any musical instrument which produces sound primarily by way of a vibrating string or strings stretched between two points. ...

See also: Electronic musical instrument, Electric Musical Instrument An electronic musical instrument is a musical instrument that produces its sounds using electronics. ...

The name Electrophone was also used for a telephone-distributed audio system which operated in the United Kingdom between 1895 and 1926, relaying live theatre and music hall shows and pre-recorded entertainment via special headsets connected to conventional phone lines. This was similar to the French Theatrophone system and the Hungarian Telefon Hirmondó which carried news, entertainment and fiction readings. These systems can be seen as important forerunners of radio broadcasting. A telephone handset A touch-tone telephone dial Telephone This article is about telephone technology. ... 1895 was a common year starting on Tuesday (see link for calendar). ... 1926 was a common year starting on Friday (link will take you to calendar). ... Theatre is that branch of the performing arts concerned with acting out stories in front of an audience using combinations of speech, gesture, music, dance, sound and spectacle — indeed any one or more elements of the other performing arts. ... Music Hall is a form of British theatrical entertainment which reached its peak of popularity between 1850 and 1960. ... The Three Graces, here in a painting by Sandro Botticelli, were the goddesses of charm, beauty, nature, human creativity and fertility in Greek mythology. ...

External link

News and Entertainment by Telephone (http://earlyradiohistory.us/sec003.htm)