Material Of Pre Vinyl 78 Rpm Records

These are just a few of some of the genres of 78 vinyl records for sale on ebay.

Material of pre vinyl 78 rpm records.

At the time the lp was introduced nearly all phonograph records for home use were made of an abrasive and therefore noisy shellac compound employed a much larger groove and played at approximately 78 revolutions per minute rpm limiting the playing time of a 12 inch diameter record to less than five minutes per side. The new product was a 12 or 10 inch 30 or 25 cm. 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. Vinyl records typically come in three speeds.

There are multiple genres of music that are represented on 78 rpm vinyl records. Genres of used 78 rpm vinyl records. Citation needed polystyrene is often used for 7 inch records. 33 45 and 78 rotations per minute rpm.

This style of music originated in the deep south of the united states amongst the african american slave communities. The difference in vinyl record speeds 33 45 and 78 records 33 45 78. The coloring material used to blacken the transparent pvc plastic mix is carbon black which increases the strength of the disc and makes it opaque. The majority of non 78 rpm records are pressed on black vinyl.

You may think are these related to the magical numbers from lost.