2A3C tube equivalent, tube.
Gold-plated pins, ceramic tube socket Using high transparency tube envelop of 300B New design of filament hooking High evacuated tube, make it more stable and reliable. F.
2A3C is compatible with 2A3 and 2A3B. Direct heating cathode and low power consumption. Two triodes can be used for class A and AB amplification.
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Gold-plated pins, ceramic tube socket Using high transparency tube envelop of 300B New design o.
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