The major way to improve the linear precision of Rotary Synthetic Carbon Film Potentiometer is to trim resistance using the advanced equipments.

提高回转式合成碳膜电位器线性精度的一种方法就是利用先进的设备，采取修刻电阻体的方式来改善电位器的输出特性。

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The rotary potentiometer is mechanically connected to the volume control by a 150mm long shaft.

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Both, the housing and the potentiometer control as well as the rotary switch for selecting the source are made of anodised aluminium, while the front panel of the housing and the controls are milled from solid material.

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