Power Triode
RCA
Bi-Plate
The RCA 2A3 Vacuum tube is a glass type used
in the output stage of radio receivers and amplifiers.
It requires a four-contact socket and should be mounted
in a vertical position.
Electrical Data:
Filament Voltage .............................. 2.5 V
Filament Current .............................. 2.5 A
Preferred Substitutes ...................... 5930
Substitutes ................................ 2DX4