Size Of Hole In Vinyl Record

As tapes and cds supplanted lps the mechanisms for indicating a cut out changed.

Size of hole in vinyl record.

A special section of a record store devoted to such items was known as the cut out bin or bargain bin. When columbia records introduced the 33 1 3 rpm long playing album in 1948 they kept the hole in the center the same size. Vinyl records come in different speeds and sizes do you know what kind you have. 45 rpm singles records were usually drilled with a hole through the label or stamped c o.

If you haven t run into an lp with an undersized center hole you will and it of course will be when you are entertaining others and you will end up flexing your lp dramatically to try to get it back off of that spindle. 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. 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. The desirable tip radius of the reproducing stylus for stereophonic disc records is 0 5 mils.

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.