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AR6

Sensibly equivalent to:
CV1304 LP2 NR42 VR22
See also:
CV1166 short entry
    
Extras ▼

 

The AR6 battery triode is a VR22 made for the British Army. It was a popular type and had many equivalents. The shape of the etching on the envelope suggests that this exhibit was made by M-OV.
As an audio output valve it produced 0.18 Watts.
Power was a wet accumulator for the filament and a dry battery for the anode supply.
The bright anode seen end on.
Some other lettering including the letters WD for War Department.
The filament held by tension springs and the grid wire.
The balloon envelope is 41 mm in diameter and, excluding the B4 base pins, is 85 mm tall.
References: Data-sheet & 1043.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.2
150
-4.5
10.0
4000
4.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated June 16, 2020.
shape:balloon construction:pinch type:triode age:1930.1940 base:b4 heater:2.0v pins:4 pin:1.a pin:2.g1 pin:3.f pin:4.f
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