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Tefifon
Media type
Audio
Encoding
Grooves embossed on plastic tape
Capacity
15 minutes, 1 hour, 4 hours
Developedby
Tefi
Dimensions
Varied
Usage
Home audio, educational
Released
1940s
Discontinued
1965
Tefifon portable radio with cartridge player (the Tefi "Holiday Super II")
The Tefifon is an audio playback format, developed and manufactured in Germany, that utilizes cartridges loaded with an endlessly looped reel of plastic tape.[1] It is somewhat similar to the later 4-track and 8-track magnetic audio tape cartridges, but with grooves engraved into the tape, like a phonograph record.[2] The grooves were engraved in a helical fashion across the width of the tape, in a manner similar to Dictaphone's Dictabelt format. The grooves are read with a stylus and amplified pickup in the player's transport.[3] A Tefifon cartridge, known as a "Tefi", can hold up to four hours of music; therefore, most releases for the format are usually compilations of popular hits or dance music, operas, and operettas.[4] Tefifon players were not sold by television and radio dealers in Germany, but rather sold directly by special sales outlets affiliated with Tefi (the manufacturer of the format).
^"Tefifon (1950 – 1960s)". Museum of Obsolete Media. 9 June 2015. Retrieved 29 January 2019.
^Knibbs, Kate (7 April 2015). "A Look at the Tefifon, Germany's Doomed 1950s Music PlayerÂ". Gizmodo. Retrieved 29 January 2019.
^Techmoan, Vintage Electronics - The Tefifon, retrieved 1 February 2019
^Wenz, John (8 April 2015). "This Was Germany's Music Format That Never Took Off". Popular Mechanics. Retrieved 1 February 2019.
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