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12A6

Sensibly equivalent to:
12A6Y CV525 VT-134
See also:
Metal Striptease
    
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This 12A6 metal valve was made by Ken-Rad in America. In addition to the commercial Type designation it also carries the USA service code of VT-134.
The 12A6 was designed for use in the single end audio output stages of radio receivers.
The maker's name.
The thin metal tube envelope is 25 mm in diameter and, excluding the IO base pins, is 67 mm tall.
References: Datasheet, 1040 & 1043. Type 12A6 was first introduced in 1942.

 

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
12.6
0.15
250
250
-12.5
30
3.5
70k
3.0
2.4
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated September 28, 2016.
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