At the same time this kind of material is also the best material for high fidelity magnetic head, high performance magnetic amplifier.
同时这种材料也是高灵敏度保真磁头、高性能磁放大器元件的最佳材料。
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In addition, the potentiometer for amplitude regulation of force functor before power amplifier and the permanent magnet in vibrating head results in further curative effect.
In the television system, the headamplifier, whose low noise being put the first place in all the features, is one of the most important element circuits, which determines the image quality.