Contour design see drawings fig.
Dimension of vinyl records.
The 7 inch or 45 is the most common form of vinyl single.
Records come in three standard sizes.
6 7 8 1 32 9 7 8 1 32 11 7 8 1 32 thickness a.
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In 1932 rca began using victrolac in a home recording system.
7 inch 10 inch and 12 inch.
Us vinyl sales in 2017 reached 15 6 million and 16 7 million for 2018.
The most common sizes are seven 10 and 12 inches in diameter but size isn t the only way to identify what kind of vinyl record you have.
Records in the 78 rpm format were usually sold with 10 inch covers but are uncommon today.
If you are a new comer to vinyl you may wonder what these numbers actually mean.
Vinyl lp records enjoyed a resurgence in the early 2010s.
Vinyl records typically come in three speeds.
33 45 and 78 rotations per minute rpm.
For singles covers of 7 inches are common because of the format s smaller size.
One was a 16 inch 33 1 3 rpm record used by the vitaphone sound on disc movie system.
In 1931 rca victor introduced vinyl plastic based victrolac as a material for unusual format and special purpose records.
33 1 3 rpm phonograph records for home use.
Center hole diameter same as 10 0 286 0 001 0 002 same as 10 lead in spirals.
Vinyl sales in the uk reached 2 8 million in 2012.
You may think are these related to the magical numbers from lost.
Vinyl record album covers are usually 12 inches by 12 inches for lp albums.
The lp was soon confronted by the 45 a 7 inch 180 mm diameter fine grooved vinyl record playing at 45 rpm.
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.
At their peak in the 1950 s and 60 s the 7 inch helped to fuel the early years of rock and roll culture thanks to their relative affordability compared to more expensive 12 inch lps.
Vinyl record sizes differ based on how much music is stored on the surface of the disk.
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Vinyl record formats records come in a range of different flavors based on competition and consumer tastes.