Records play at 16, 45, 78, or the more stable and euphonious 33 revolutions per minute; they might measure three, five, seven, 10 or 12 inches in diameter.
唱片的轉速有每分鐘十六轉、四十五轉、七十八轉，以及速度最穩定、音質也最好的三十三轉，圓形唱盤分為三吋、五吋、七吋、十吋、十二吋。