正常状态下，残留在泄露和过热感应器和各自的输出继电器上的电阻会被释放。
Under normal conditions the resistance remains between the leakage and over-temperature sensitivities, and both output relays are de-energized.
每种电源都带有延时继电器，它在电子管进入稳定工作状态之前使输出静音。
Each supply has a timed relay that mutes the audio output until the tubes stabilize.
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