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ECC84

Sensibly equivalent to:
6CW7 6L16 CV5281
See also:
Valves and their Habits - Brimar TV Valves Advert
    
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The ECC84 is a VHF double triode, and apart from the heater is electrically equivalent to the PCC84. The ECC84 was designed as a cascode low noise RF amplifier.
The 6.3 Volt heater suggests more of a radio focus than television and Band II FM radio reception would seem the target market. probably for quality Band II radio receivers.
One physical feature of this valve is the very small anode cavities.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall.
References: Datasheet & 1040.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
k(2)
g1(2),s(2)
a(2)
h
h
g(1)
k(1)in
k(1)out
a(1)

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.335
90
-1.5
12
4000
6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated July 31, 2012.
shape:thin.glass.tube construction:all.glass type:double.triode age:1950.1960 base:b9a heater:6.3v pins:9 pin:1.k(2) pin:2.g1(2).s(2) pin:3.a(2) pin:4.h pin:5.h pin:6.g(1) pin:7.k(1)in pin:8.k(1)out pin:9.a(1)
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