The EF86 Gallery
6CF8 6BK8 |
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The EF86 is similar
to its precursor, the EF40, but has a noval socket (instead of the rimlock
socket).
The EF86 type was
introduced in 1955 as low hum and low noise type. |
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Hamburg |
1956 - 1959 |
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Hamburg |
1959 - 1962 |
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Code: 8Y1 DXX
Hamburg
Identified by:
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square (D) getter
- grey plate behind mesh
Comment:
Rare
- early production. |
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Code: 8Y1 D9X
in 1959
8Y2 D0/1/2X later
Identified by:
-
ring getter
- grey plate behind mesh
Comment:
Rare. |
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Hamburg |
1963 - 1967
(???) |
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Code: 8Y2 DXXX
Identified by:
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ring getter
- silver plate behind mesh
Comment:
Quite rare. |
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Code: 8Y5 LXXX,
Brussels
Identified by:
-
ring getter
- grey plate behind mesh
Comment:
Common type.
Also found with X9G, ±0l1 and 8Y4 FlB2 code. |
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Code: 8YX BXX,
Blackburn
Identified by:
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square-getter with cross
arm
- large plate
Comment:
Rare - very early prdouction. |
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Code: 9r1 B9X,
Blackburn
Identified by:
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square-getter with cross
arm
- large plate
Comment:
Rare - very early prdouction. |
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Code: 8Y1 B5XX,
Blackburn
Identified by:
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ring getter
- silver plate (as in Tfk
types)
Comment:
Seems to be very rare. |
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