Collection: Music - 7"

The most common form of the vinyl single is the "45" or "7-inch". The names are derived from its play speed, 45 rpm (revolutions per minute), and the standard diameter, 7 inches (17.8 cm).
The 7-inch 45 rpm record was released March 31, 1949, by RCA Victor as a smaller, more durable and higher-fidelity replacement for the 78 rpm shellac discs. The first 45 rpm records were monaural, with recordings on both sides of the disc. As stereo recordings became popular in the 1960s, almost all 45 rpm records were produced in stereo by the early 1970s. Columbia Records, which had released the 33+1⁄3 rpm 12-inch vinyl LP in June 1948, also released 33+1⁄3 rpm 7-inch vinyl singles in March 1949, but they were soon eclipsed by the RCA Victor 45. The first regular production 45 rpm record pressed was "PeeWee the Piccolo": RCA Victor 47-0146 pressed December 7, 1948 at the Sherman Avenue plant in Indianapolis; R.O. Price, plant manager.

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