2A3 KENRAD coated smoked glass best audio output triodes matched pair JAN Joint Army and Navy

KENRAD 2A3 Smoked glass £ 400 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 Sylvania 2A3 with green leaf on base and etched lettering on base.

Introducing a rare pair of smoked glass KENRAD type 2A3.

The Holy Grail of audio tubes.

Some audiophiles consider the 2A3 KENRAD smoked glass an exceptionally silent valve.

Both KENRAD  have same design.

Like all 2A3’s great audio valves!

Tested with AVO VCM 163:

KENRAD  2A3 52mA 100%

KENRAD 2A3 53mA 100%

 

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