Most record players and turntables have multiple speeds that you can select. These speeds are measured in rotations per minute, or RPM. The two most common record speeds are 33⅓ RPM and 45 RPM, though some older records are played at 78 RPM. [1] X Research source The platter is usually covered with a platter mat that protects the record from getting scratched. The platter mat can be made out of rubber, felt, cork, or other soft material.
The stylus vibrates using both the left and right sides of the grooves, which correspond to the left and right stereo speaker channels. The tonearm also usually has a counterweight on the end to keep the stylus from pressing down on the record too hard and damaging it.
If you are thinking about buying a record player or turn table, find out how to shop for one.
