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To help you in your search, we asked our vinyl experts to share their go-to tips for identifying rare and valuable records. Meet the Expert Matthew Coates , owner of Big Dawg Records and Groove ...
Vinyl was much more expensive than shellac, one of the several factors that made its use for 78 rpm records very unusual, but with a long-playing disc the added cost was acceptable. The compact 45 format required very little material. Vinyl offered improved performance, both in stamping and in playback.
The LP (from long playing [2] or long play) is an analog sound storage medium, specifically a phonograph record format characterized by: a speed of 33 + 1 ⁄ 3 rpm; a 12- or 10-inch (30- or 25-cm) diameter; use of the "microgroove" groove specification; and a vinyl (a copolymer of vinyl chloride acetate) composition disk.
Most sound recordings for records before the 1950s were made by cutting directly to a master disc. Recording via magnetic tape became the industry standard around the time of the creation of the LP format in 1948, and these two technological advances are often seen as being joined, although 78 rpm records cut from tape masters continued to be manufactured for another decade.
Three vinyl records of different formats, from left to right: a 12 inch LP, a 10 inch LP, a 7 inch single. A phonograph record (also known as a gramophone record, especially in British English) or a vinyl record (for later varieties only) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.
Vinyl, acetate, and shellac discs being exposed to soil and fungus spores. Library of Congress Study, 1959. The conservation and restoration of vinyl discs refers to the preventive measures taken to defend against damage and slow degradation, and to maintain fidelity of singles, 12" singles, EP’s, and LP’s in 45 or 33⅓ rpm 10" disc ...
In June 2017, Sony Music announced that by March 2018 it would be producing vinyl records in-house for the first time since ceasing its production in 1989. The BBC reported that "Sony's move comes a few months after it equipped its Tokyo studio with a cutting lathe, used to produce the master discs needed for manufacturing vinyl records", but the company "is even struggling to find older ...
The flexi disc (also known as a phonosheet, Sonosheet or Soundsheet, a trademark) is a phonograph record made of a thin, flexible vinyl sheet with a molded-in spiral stylus groove, and is designed to be playable on a normal phonograph turntable. Flexible records were commercially introduced as the Eva-tone Soundsheet in 1962.