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EL83

Sensibly equivalent to:
6CK6 CV2726
    
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The Mullard EL83 is a wide band output pentode. It dates from the 1950s and was thus designed in the era of 405 line VHF television. Like all wide band amplifier active devices it has a high mutual conductance figure so that feedback can achieve a wide band design.
Visually only the substantial anode is on display, it was specifically designed for video output.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 68 mm tall.
References: Datasheet & 1040. Type EL83 was first introduced in 1953.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
g2
g1
k
h
h
g3
a
s
-

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
μ
6.3
0.71
250
250
-5.5
36.0
5.0
0.13M
10.0
24
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 19, 2013.
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