2A3 ARCTURUS Engraved logo on base Holy Grail of audio valves MONO plate limited edition audio output pair triodes
ARCTURUS 2A3 Engraved logo MONO plate £ 1,000 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
The best MONO plate valves you can buy! The Arcturus type 2A3 have no rivals!
Stunning patented design for one of all times best 2A3
Same construction with MONO plate, all filaments in perfect shape!
Engraved logo on base!
Like all 2A3’s great audio valves!
Tested with AVO VCM 163:
ARCTURUS 2A3 52mA 100%
ARCTURUS 2A3 54mA 100%
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