After several years of research columbia introduced a microgroove 33 1 3 rpm long playing record in 1948.
What was the price of vinyl records in 1948.
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Unlike the standard 10 inch 78 rpm record which could play about 3 1 2 minutes on one side the new lp could hold 15 plus minutes on one side of a 10 inch record and up to 25 minutes on one side of a 12 inch disc.
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In 1901 the victor company released a record player called the red seal and it played ten inch vinyl records.
The lp from long playing or long play is an analog sound storage medium a phonograph record format characterized by a speed of 33 1 3 rpm a 12 or 10 inch 30 or 25 cm diameter and use of the microgroove groove specification introduced by columbia in 1948 it was soon adopted as a new standard by the entire record industry.
In 1948 columbia records released their 33 rpm which is made from pvc or polyvinyl chloride.
The sound is recorded in the grooves in the vinyl.
While the record spins the needle runs along the grooves and passes the.
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