A 7 inch record was simply more convenient for single tunes than a 12 inch one.
Vinyl record size cm.
Most turntables can play 33s and 45s while 78s require a certain kind of stylus and motor speed.
Vinyl 17 18 17.
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The new product was a 12 or 10 inch 30 or 25 cm fine grooved disc made of pvc vinyl and played with a smaller tipped microgroove stylus at a speed of 33 1 3 rpm.
Initially there were long playing lp records with a 25 cm 10 or 30 cm 12 diameter and a speed of 33 revolutions per minute and sp and ep records with a 17 cm 7 diameter and a 45 rpm speed.
33 45 and 78 rotations per minute rpm.
Each side of a 12 inch lp could play for about 22 minutes.
If you are a new comer to vinyl you may wonder what these numbers actually mean.
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The difference in vinyl record speeds 33 45 and 78 records 33 45 78.
Vinyl 22 61 22.
Vinyl record formats records come in a range of different flavors based on competition and consumer tastes.
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Thus we ended with one speed and spindle size for popular songs and another for symphonies.
The term can refer to either the printed paperboard covers typically used to package sets of 10 in 25 cm and 12 in 30 cm 78 rpm records single and sets of 12 in 30 cm lps sets of 45 rpm records either in several connected sleeves or a box or the front facing panel of a cd package and increasingly the primary image accompanying a digital download of the album or of its individual tracks.
Nonetheless the public allowed itself to be duped and in 1951 columbia began making 45s too.
Vinyl record sizes differ based on how much music is stored on the surface of the disk.
At a certain point records can become cramped with grooves and have to expand in size to accommodate the extra music play while maintaining the quality of the audio.
Records come in three standard sizes.
You may think are these related to the magical numbers from lost.
Vinyl records are divided into different categories of size and revolution speed.
33 45 and 78 rpm represents the speed at which the record spins on your turntable.
7 inch 10 inch and 12 inch.
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Vinyl records typically come in three speeds.