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6DK6

Sensibly equivalent to:
8136
    
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The GDK6 is a miniature sharp-cutoff pentode designed for use as a wide-band radio-frequency or intermediate-frequency amplifier in television receivers. Features of the tube include high trans-conductance and low inter-electrode capacitance.
The construction is obscured, but the shield can be seen under the lower mica.
The General Electric logo.
The thin glass tube envelope is 18 mm in diameter, and excluding the B7G base pins is 47 mm tall.
Reference: Datasheet. Type 6DK6 was first introduced in 1958.

 

Pin Connections
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
g2
g3

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
6.3
0.3
125
125
-6.5
12.0
3.8
9.8
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 25, 2014.
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