2A3 Brimar BVA Export valves black plate large getter Holy Grail quartet audio valves

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

Special export version of Brimar BVA type 2A3

All four Brimar 2A3 valves have same design with large getter, clean top and mint condition.

Like all 2A3’s great audio valves!

Tested with AVO VCM 163:

Brimar 2A3 58mA 100%

Brimar 2A3 56mA 100%

Brimar 55mA 100%

Brimar 56mA 100%