 |
| Identical to |
EF11_Prototyp
|
| Similar
Tubes |
EF11 (other base)
|
| Predecessor Tubes |
AF3
|
| Successor Tubes |
1938
EF11
|
|
| Base |
OTHER TUBEBASE in general
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.2 Ampere /
Vf 6.3 Volts /
|
| Description |
With a 4 + 4 pin base as the forerunner of the Telefunken Y8A base
Text in other
languages (may
differ)
|
|
|
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|
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Gerhard DL6XK
Jacob Roschy
|
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Gerhard DL6XK
Jacob Roschy
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