Jörg Mager
Jörg Georg Adam Mager (6 November 1880 – 5 April 1939) was a German musician and inventor, who was a pioneer of early electronic music.
Jörg Mager

Atelier Stone, Berlin · Public domain
- Name
- Jörg Mager
- Born
- 6 November 1880
- Birthplace
- Eichstätt, Bavaria
- Died
- 5 April 1939
- Place of death
- Aschaffenburg, Bavaria
- Occupation
- Musician and inventor
- Nationality
- German Reich
- Languages
- German
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Documentary summary
Jörg Georg Adam Mager (6 November 1880 – 5 April 1939) was a German musician and inventor, who was a pioneer of early electronic music.
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Note VALÉORINE
Jörg Mager (1880–1939) was an artist, composer and inventor, among other activities, a national of German Reich. The artist was born in Eichstätt and died in Aschaffenburg. Jörg Mager worked in Aschaffenburg, Berlin and Darmstadt. Languages used include German.
Composed from admitted, traceable facts · 01 October 2026
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In this article
Key facts
Key facts
• Name — Jörg Mager • Born — 6 November 1880 • Birthplace — Eichstätt, Bavaria • Died — 5 April 1939 • Place of death — Aschaffenburg, Bavaria • Genre — Electronic • Occupation — Musician and inventor
Life
Life
Mager was born in Eichstätt in Bavaria, in 1880. An idealist by nature, he worked as a schoolteacher and organist to fund his research into electronic instruments. In 1911, after hearing an organ that had become slightly detuned due to temperature variations, Mager began researching quarter tones, and built a harmonium based on quarter-tonal divisions. This became the basis for many of his later instruments. In the 1920s, Mager developed the Electrophon (later renamed to the Sphärophon), a keyboard instrument that produced sound using heterodyning. Its premiere at the 1926 Donaueschingen Festival was well received by the attendees, including Paul Hindemith and Alois Hába. In the late 1920s, Mager received a government grant, and used this money to found a laboratory near Darmstadt; he also began an Electronic Music Society at around the same time. At his laboratory Mager designed and constructed an organ which he used alongside a huge array of amplifiers, aluminium pots, glass plates, oven pipes and the wooden frame of a cello which used a frying pan as an additional amplifier. All of these were linked to the organ by wires to produce the 'tonal colours' Mager experimented with. Mager was among the first musicians to begin serious discussion of electronic music, with his 1924 essay Eine neue Epoche der Musik durch Radio ("A New Epoch in Music through Radio"). Although he created a number of unique electronic instruments, including the Kurbelsphärophon and the Kaleidophon, all of his examples were destroyed by Allied bombing raids during World War II.
Gallery
Gallery
• Illustration — Laboratory of Jörg Mager, c. 1938, photographer unknown, PIX Magazine • Illustration — Jörg Mager working on his organ, c. 1938, photographer unknown, PIX Magazine • Illustration — Jörg Mager playing his organ, c. 1938, photographer unknown, PIX Magazine • Illustration — Jörg Mager playing the Gral Bells, c. 1938, photographer unknown, PIX Magazine
Identity
Identity
Jörg Mager is recorded as musician, inventor, musical instrument maker, teacher and writer.

Jorg Mager playing his organ, c. 1938, photographer unknown, PIX Magazine, Vol. 3 No. 2 (14 January 1939)
PIX Magazine, Vol. 3 No. 2 (14 January 1939) P. 10: Organ wizard plans music of the future

Jorg Mager working on his organ, c. 1938, photographer unknown, PIX Magazine, Vol. 3 No. 2 (14 January 1939)
PIX Magazine, Vol. 3 No. 2 (14 January 1939) P. 11: Organ wizard plans music of the future
Life and career
Dated record
Life and career
The full dated record · 1 entries
1939
Jörg Mager died in 1939 at Aschaffenburg.
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Eichstätt.
Birth place
Aschaffenburg.
Death place
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.Albert Glinsky. Theremin: Ether Music and Espionage. University of Illinois Press. 53. 2000. 978-0-252-02582-2.
- 2.Taylor & Francis. Music from the Middle Ages Through the Twentieth Century: Essays in Honor of Gwynn S. McPeek. 244–245. January 1988. 978-2-88124-216-8.
- 3.PIX Magazine, Vol. 3 No. 2 (14 January 1939)
- 4.M. J. Grant. Serial Music, Serial Aesthetics: Compositional Theory in Post-War Europe. Cambridge University Press. 51. 8 June 2005. 978-0-521-61992-9.
- 5.Nicole V. Gagné. Historical Dictionary of Modern and Contemporary Classical Music. Scarecrow Press. 166. 2012. 978-0-8108-6765-9.
- 6.Vol. 3 No. 2 (14 January 1939)
- 7.Vol. 3 No. 2 (14 January 1939)
- 8.Vol. 3 No. 2 (14 January 1939)
- 9.Vol. 3 No. 2 (14 January 1939)
Bibliography printed in the source article · 1
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
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