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VR22

Sensibly equivalent to:
220PA AR5 AR6 CV1022 CV1166 CV1304 LP2 NR42
See also:
CV1166 short entry
    
Extras ▼

 

The VR22 triode is an accumulator heated audio output valve. The output power of 0.18 Watts is very low.
The VR prefix denotes an RAF pre-WWII valve.
The M-OV LP2 looks to be of the same construction.
The balloon envelope is 39 mm in diameter and, excluding the B4 base pins, is 82 mm tall.
References: Datasheet & 1043. Type VR22 was first introduced in 1935.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
Pout
2.0
0.2
150
-4.5
10
4,000
4.0
0.18W
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 04, 2015.
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