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CV4085

Sensibly equivalent to:
CV2901 M8195
    
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The CV4085 is the special quality M8195 version of the EF86 audio voltage amplifier in a UK government Common Valve type code. The CV4086 is the same valve but with flying leads.
The thin glass tube envelope is 20 mm in diameter, and excluding the B9A base pins, is 47 mm tall.
References: Datasheet & 1040. Type CV4085 was first introduced in 1959.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.2
250
-5
4
16k
2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 16, 2013.
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