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Today In History: June 18 1948, The LP Record Is Introduced


Victoria Maduabuchi

The LP is an analog sound storage medium. A vinyl record format characterized by a speed of 33 1⁄3 rpm, a 12- or 10-inch (30 or 25 cm) diameter and uses the “microgroove” groove specification.

It was introduced by Columbia in 1948 and it was soon adopted as a new standard by the entire record industry.

Apart from a few relatively minor refinements and the important later addition of stereophonic sound, it has remained the standard format for vinyl albums.

Columbia Records puts the needle down on history’s first successful microgroove plastic, 12-inch, 33-1/3 LPs in New York, sparking a music-industry standard so strong that the digital age is yet to kill it.

The LP had no serious competitors for long-playing recordings until the 1970s when the Compact Cassette improved in quality, and then in the 1980s with the introduction of the Compact Disc.

LPs ceased to be a mainstream format in the early 1990s, but continue to be produced in small but increasing numbers.

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