The platter of the player functions as the motor armature, providing a flat-and-rotating but stable surface for the record. Direct drives: Portable record players have direct drives that move the plate on which the record sits.The rubberized belt is made of elastomers, which act to absorb noise from the record player before it can reach the stylus. Belt drives: Players with belt drives reduce low-frequency rumbles from the movement of the motor rotating the record on the player.This helps to ensure that the turntable does not go too fast or slow down. Speed governors: Record players use speed governors in order to control the rotational speed of the vinyl record on the turntable.What technology is available in vintage turntables? Portable record players made before the 1970s are typically described as equipment that is vintage, and they may produce monochrome or stereo sound effects when playing records. After World War II, the introduction of stereo sound, amplifiers, and loudspeakers made record players more appealing and accessible to people for use in their homes and were common among people who already had a radio. The first phonograph was invented by Thomas Edison in the 1870s, and it was improved upon by Alexander Graham Bell under the Volta group in the 1880s.
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