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ECC82

Sensibly equivalent to:
12AU7 B329 CV491 E2163 E812CC
See also:
Valves and their Habits - Pin Compatible Double Triodes - Push-Pull EL91 Amplifier
    
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This exhibit is an ECC82 that came in an orange coloured CPC box. The valve has the Type designation etched into the glass as well as the printed pejorative term Foreign. CPC were, and are, professional electronics suppliers in the UK and they own Farnell.
Designed as audio and general purpose triodes, two independent valves exist in the envelope.
The normal anode box is formed of two plates stitched together.
The thin glass tube envelope is 20 mm in diameter and the length excluding the B9A base pins, is 48 mm.
References: Datasheet & 1040. Type ECC82 was first introduced in 1951.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
gm
6.3
0.3
250
-8.5
10.5
2.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 16, 2015.
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