2A3 RCA CRC JAN special version audio valves with large getter matched quartet

Description

The 2A3 is a three-electrode, high vacuum  type of power amplifier tube or valve for use in the power-output stage of A.C. operated receivers.

The 2A3 has also been used on HI-END amplifiers with stunning results.

We are proud to show some of the best 2A3 variations.

The exceptionally large power-handling ability of the 2A3 is the results of its design features. Among these are its extremely high mutual conductance and its large effective cathode area.

Filament voltage 2.5 Volts

Filament current 2.5 Amps

Plate Voltage 250 Volts max

Grid Voltage -45

Plate Current 60mA

Mutual Conductance 5.2

Quartet of RCA 2A3 CRC Joint Army and Navy. Special version with large getter and black plate,  lettering on base.

All four RCA CRC 2A3 valves have same design w and wide top mica.

Like all 2A3’s great audio valves!

Tested with AVO VCM 163:

RCA CRC 2A3 53mA 100%

RCA CRC 2A3 52mA 100%

RCA CRC 2A3 53mA 100%

RCA CRC 2A3 53mA 100%