Replacing Shellac With Vinyl Records

Shellac records dominated the industry from 1912 to 1952 klinger says.

Replacing shellac with vinyl records.

A phonograph record also known as a gramophone record especially in british english or simply a record is an analog sound storage medium in the form of a flat disc with an inscribed modulated spiral groove. Many of these discs are now known as 78s because of their playback speed of 78 revolutions per minute give or take a. During and after world war ii when shellac supplies were extremely limited some 78 rpm records were pressed in vinyl instead of shellac wax particularly the six minute 12 78 rpm records produced by v disc for distribution to. As shellac was essentially phased out vinyl took the spotlight.

Also these new records were made of a vinyl compound rather than the easily breakable shellac of 78s. At first the discs were commonly made from shellac with earlier records having a fine abrasive. It had longer playing times was lighter and simply became the new thing differences in speed. The groove usually starts near the periphery and ends near the center of the disc.

Shellac vs vinyl 78 s vs lp s shellac 78 s. Earliest speeds of rotation varied widely but by 1910 most records were recorded at about 78 to 80 rpm.