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Little disc that holds a record on5/31/2023 ![]() ![]() Since 7-inch and 10-inch records hold less information, they are usually used as “singles” (i.e., they contain one song per side) playing at 45 rpm. (The actual playing time is a ratio between speed and the length of the grooves.) The larger the diameter, the longer the groove can be and the greater the possible playing times, dependent upon rotational speed. Vinyl records also come in three standard diameters: 7-inch, 10-inch and 12-inch. The 33 1/3 rpm and 45 rpm speeds continue to be the standards to this very day 78 rpm records were largely phased out by the mid-1950s. Interestingly, early 45s were released in different colors, depending on the type of music they held. In the years after World War II, several competing formats appeared, most notably the 33 1/3 rpm LP (Long Play) record which not only had a slower playback speed but narrower grooves, followed soon thereafter by the middle-ground 45 rpm format. This had a severe limitation in that records running at such a high speed could only hold a few minutes of music. In the early days, rotation speeds of records were not always consistent, generally running from around 70 to 80 rpm, but by the 1920s, 78 rpm became the standard. The “rpm” is an abbreviation for “revolutions per minute” - an indication of how fast the record is meant to spin on the turntable. Vinyl records come in three speeds: 33 1/3 rpm (often just called a “33”), 45 rpm and 78 rpm. In this article, we’ll look at the key factors that determine their sound quality and durability. Even through the advent of digital technology, vinyl records remain amazingly popular, and have even enjoyed a resurgence in recent years.īut not all vinyl is the same. These round, flat vinyl disks with spiral grooves have brought music to the ears of listeners around the world for more than a century. ![]()
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