Vinyl Thickness Record

Contour design see drawings fig.

Vinyl thickness record.

The vast majority of 12 inch records that have been pressed in the 20th century weigh between 120 and 140 grams. The words 180 gram vinyl have been the cause for many misunderstandings and debate among the audiophile and vinyl records community. Introduced by columbia in 1948 it was soon adopted as a new standard by the entire record industry. 6 7 8 1 32 9 7 8 1 32 11 7 8 1 32 thickness a.

The thickness of a vinyl record will be slightly different over the entire run of a specific record and records produced at different factories or times will also vary. The lp is an analog sound storage medium a phonograph record format characterized by a speed of 33 1 3 rpm a 12 or 10 inch diameter and use of the microgroove groove specification. In 1932 rca began using victrolac in a home recording system. The most common sizes are seven 10 and 12 inches in diameter but size isn t the only way to identify what kind of vinyl record you have.

To start at. Apart from a few relatively minor refinements and the important later addition of stereophonic sound it remained the standard format for record albums until its gradual replacement from the 1980s to the. Establishing vinyl records value is an inexact science and there are a number of factors that go into determining whether a given record is something that will bring a lot of money from a collector or something that would best be used as a place mat. Special thanks to sergio redondo of vinyl gourmet who s original article was used as a source for writing this.

The range on a sampling of two hundred records in a private collection ran from 9 mm to 2 2 mm. Unnecessarily so i would say there is nothing magical about heavyweight vinyl and certainly some myths float over those shiny 180g stickers on the record covers but that doesn t mean there are no benefits from pressing 180g or even 200g vinyl lp s. One was a 16 inch 33 1 3 rpm record used by the vitaphone sound on disc movie system. In this post we ll go over a number of factors that may determine the value of a particular.

Thick vinyl is a wonderful feature but without the other necessary aspects which go into producing a great sounding record it s little more than a pleasant feature. 180 gram vinyl by contrast is significantly thicker and heavier creating a product that is widely considered to be audiophile grade but heavy duty records aren t capped at the 180 gram limit. In 1931 rca victor introduced vinyl plastic based victrolac as a material for unusual format and special purpose records.