1. Motor and turntable.
A. motor type.
Induction motor,cast bronze hysteresis motor.
AC frequency conversion generated by the eddy current drive motor to direct a specific frequency AC power supply, bronze bushing a 50Hz and 60Hz power-specific differences. His advantage is that revolutions do not change with the load or voltage.
Servo motors.
Lines to control the servo motor rotation can be induced by way of speed, change the power supply's output voltage level;dry bushing or use the crystal oscillator pulse to maintain the correct speed of the motor.
B. Transmission.
DD direct drive turntable motor shaft directly connected, plain bearing not by any organization conduction power.
Idler wheel motor drive powered by a rubber wheel, rubber wheel is round in shape without deformation relations drive smoothly.
Turntable belt between the motor shaft to belt power transmission link.
Compound such as a belt drive idler pulley,sleeve bushing idler drive turntable then.
C. dial quality and inertia.
The quality of the larger wheel,DU bushing the impact of external factors on the speed of the smaller, but also the more smooth rotation, and can resist the impact of external vibrations. However,bushing the greater the weight of the turntable, the required bearing the stronger, but also the greater the power of the motor activation.
D. chassis suspension.
Hard elastic damping or suspension does not impose the way, some parts of the turntable directly fixed to the base, brass bushing or to adopt separate pieces of type to isolate vibration generated by the motor, etc., to prevent interference. In order to resist the impact of external vibrations,Mould guide plate the hard disk itself, mostly by increasing the quality to reduce the vibration caused by external force.
Floppy suspension and damping means, the turntable part of the component suspended in the base, to cut off external or internal vibration.
2. Tonearm.
A. tonearm type.
Straight cut arm cartridge in accordance with the straight line through the center of the circle to record movement, plasic bushing needle position in each direction with the tangent to track the relative movement.
Crank cartridge showing an arc curve moving through the records, regardless of what kind of tonearm arm tube showing the shape, and sing to a compensation point of the first will be placed on the tonearm.
Linear tonearm arm-arm tube.
S arm tonearm arm was S-bend pipe.
J arm tonearm tube in the end of the arm bends.