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6Y6G

Sensibly equivalent to:
CV515 VT-168A
    
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The 6Y6G is a beam tetrode audio power valve. The design use was as a single ended audio output stage in receivers or audio equipment. The six watt output would be too great for most receiver applications.
The base shows that the 6Y6G is identical to the US government specification VT-168A.
It is possible that this valve acted as an audio modulator in a voice transmitter, or as part of a stabilised power supply for the master oscillator in a transmitter.
The classic envelope is 42 mm in diameter and, excluding the IO base pins, is 100 mm tall.
References: Datasheet, 1043 & 3002. Type 6Y6G was first introduced in 1937.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g1
-
h
k

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
6.3
1.25
200
135
-14
66
9
18,300
7.1
6W
10%
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 16, 2013.
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