Belt-drive Turntable

There are two main types of phonograph turntables still being manufactured today, the older style belt-drive or newer direct-drive systems; the names are based upon the type of motor system found in each. In a belt drive turntable the motor is located under and to the side of the platter and is connected to the platter by an elastomeric belt. The design of the belt drive turntable uses a less expensive motor than the direct-drive turntable. Also, the elastomeric belt absorbs motor vibrations which would otherwise be picked up by the stylus. These advantages, however, do not overcome the disadvantages of the belt drive design. Over time the belt can wear or lose elasticity, and begin to slip, causing variations in the platter speed. Belt drive turntables have much lower torque. This leaves platter more susceptible to damage by outside forces such as manual platter manipulation (scratching). The belt can also slip off the motor and/or platter spindle. DJs who scratch or mix generally prefer to use direct-drive turntables.

 

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