The G2 adjustment is a service or factory level adjustment, normally only done at the factory or at installation, which adjusts the bias current for each tube individually so that they all come on at the same time.

 
  • 每一只投影管都需要一定量的偏置电流才能够正常工作,然而,每只管及其相应的电路参数都会有些差异,因此所需的偏置电流也不太一样。
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