Size Of Hole In Vinyl Record

Vinyl records come in different speeds and sizes do you know what kind you have.

Size of hole in vinyl record.

When columbia records introduced the 33 1 3 rpm long playing album in 1948 they kept the hole in the center the same size. A special section of a record store devoted to such items was known as the cut out bin or bargain bin. As tapes and cds supplanted lps the mechanisms for indicating a cut out changed. The reproducing stylus motion shall be tangent to or lie in a plane which passes through the record center and which is inclined at a nominal angle of 15 degrees clockwise to a normal to the record at the stylus tip as viewed from the record c.

We have details on sizes speeds and best way to convert. At first the discs were commonly made from shellac with earlier records having a fine abrasive. 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. However columbia s archrival rca was most annoyed at this new format.

The desirable tip radius of the reproducing stylus for stereophonic disc records is 0 5 mils. 45 rpm singles records were usually drilled with a hole through the label or stamped c o.