Size Of Hole In Vinyl Record
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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.
Size of hole in vinyl record. As tapes and cds supplanted lps the mechanisms for indicating a cut out changed. Vinyl records come in different speeds and sizes do you know what kind you have. The desirable tip radius of the reproducing stylus for stereophonic disc records is 0 5 mils. However columbia s archrival rca was most annoyed at this new format.
At first the discs were commonly made from shellac with earlier records having a fine abrasive. 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 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 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 special section of a record store devoted to such items was known as the cut out bin or bargain bin. Lp spindle hole corrector tool for 33rpm records corrects undersized lp record spindle holes.