Do I need to replace my driver tube every time I replace my power tubes?

我每次更换后级电子管的时候是不是必须把前级管也一起换？

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Connected with the high-frequency horn driver is a smooth and wide frequency response 2 "Hou tube (2.5" voice coil diaphragm) neodymium magnet compression driver high frequency precision.

与号角连接的高频驱动单元是一个频响平滑宽广的2“侯管(2.5”音圈振膜)的钕磁钢精密高频压缩驱动器。

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A technique of electrically controlled double driver shock tube for studying head-on interaction between a moving plane shock and a bow shock has been developed.

本文介绍了用于研究平面运动激波与头激波迎面相互作用的电控双驱动激波管技术。

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The youngest woman Tube driver also likes to "keep it in the family".

BBC: London

He said the Tube driver told passengers he was unable to stop at West Ham station due to "police investigations".

BBC: London football violence probed

Those require a driver to breathe into a tube, much like the breathalyzers police ask suspected drunken drivers to use.

WSJ: U.S. Board Urges 0.05 Drunk-Driving Threshold