Acetate disc  

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

An acetate disc (also known as a test acetate, dub plate, lacquer, or transcription disc) is a type of gramophone record, mechanical sound storage medium, used from the 1930s to the late 1950s for recording and broadcast. Acetates are typically produced from a master tape recording. By electroplating the acetate master, stampers (special moulds) can be created, which in turn are used to press large quantities of records. Acetates are also used for testing the quality of the tape-to-disc transfer. A typical acetate disc is an aluminum disc, 10 or 12 inches in diameter, that is covered with a thin coating of nitrocellulose lacquer in which the sound groove is cut. Discs of this type can be played on any normal phonograph, but wear out very quickly. Some acetates are highly prized for their rarity.

Unless indicated otherwise, the text in this article is either based on Wikipedia article "Acetate disc" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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