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CV1893

Sensibly equivalent to:
6B8G
    
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The CV1893 is a double diode amplifier pentode that was designed for detector and first audio stages in radio receivers. The diodes would be for signal and AGC detection and the high impedance audio pentode would provide good small signal gain for feeding into an output pentode. The prototype was the 6B8G and the CV1893 is identical.
References: Data-sheet & 1040.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
m
h
a
a(d2)
a(d1)
g2
h
k
g1

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.3
250
125
-3
9
2.3
0.6M
1.12
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 20, 2017.
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