Part one of term paper
Phonograph, also known as record player, electromechanical instrument for reproducing sound from a record. A record is a vinyl disk that has a spiral groove with tiny bumps on the walls of the groove; the bumps encode a musical or other type of recording. has four principal components: the turntable, the tonearm, the stylus, and the amplifie ...

Part two of term paper
... end. The tonearm either pivots to keep the stylus in the record groove, or is suspended by a mechanism that enables it to stay oriented in the same direction while it moves across the record. When the stylus moves along the undulating groove of the revolving disk, it vibrates, and the vibrations are converted into equivalent electrical impulses by the cartridge in the tonearm. These impulses are conducted by wire leads to an electronic amplifier and then to one or more loudspeakers. The first prac ...