1PC PSVANE 2A3B/2A3C Valve Tube Replace JJ Shuguang EH SOVTEK 2A3 2A3B 2A3C-T

2A3B is a direct-heated cathode power double triode, it is used in classA1, AB1 amplifier. 2A3B Version. 2A3C is direct-heated cathode middle- power double triode, and it is used as class A1, AB1 amplification.

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