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CV783

Sensibly equivalent to:
1S4 DL91
    
Extras ▼
The CV783 is a dry battery audio output valve that is identical to the commercial 1S4.
References: Data-sheet & 1043. Type CV783 was first introduced in 1948. See also 1948 adverts.

 

Pin Connections
B7G
1
2
3
4
5
6
7
f-
a
g1
g2
f-
a
f+

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
rl
Pout
D
1.4
0.1
90
67.5
-7.0
7.4
1.4
0.1M
1.575
8,000
0.27W
12%
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 06, 2015.
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