The technical standard by which grooves are modulated and cut on the record surface is exactly the same on all vinyl records regardless of weight grade the dimensions of the grooves can only be cut within the scope of that standard and we are talking about extremely small dimensions at the micro metric scale with such tiny variations that any vinyl weight above 100 gram probably even less provides the necessary physical support for pressing sound grooves according to the standard.

The vinyl gram. 180 gram vinyl by contrast is significantly thicker and heavier creating a product that is widely considered to be audiophile grade. The vast majority of 12 inch records that have been pressed in the 20th century weigh between 120 and 140 grams. But heavy duty records aren t capped at the 180 gram limit. Audiophile reference recordings australia s only audiophile music store specialising in audiophile quality recordings.

The groove usually starts near the periphery and ends near the center of the disc.

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