2A3 RCA Radiotron large round logo pair audio triodes for all HI-END applications
RCA 2A3 Large logo £ 180 pair
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
RCA 2A3 Radiotron!
One of the best and most popular 2A3.
They still have paper logo on glass
Smooth sound, not to be missed.
Like all 2A3’s great audio valves!
Tested with AVO VCM 163:
RCA 2A3 52mA 100%
RCA 2A3 51mA 100%
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