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| Identical to |
EF9nT
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| Similar
Tubes |
EF9 (Multiple differences or of other kind)
AF3 (Heater different)
EF3 (Heater different)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.41 Ampere /
Vf 6.3 Volts /
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| Description |
This is an AF3, fitted with a 6.3 volts heater, as a makeshift replacement for the EF9. Actually this is an EF3, though with 0.41 A heater current.
Text in other
languages (may
differ)
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Tesla cz
Jose Vigil
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rtt
Michael Schlör
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Tesla catalogue
Gabriel Toth
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| Further Information for |
EF9nT |
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Tesla EF9n T
(05.08.2006) Jose Vigil
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Clicks: 421 Replies: 6 |
Dear Gentlemen. I have a Tesla valve in his original box. On the box there is the mark EF9. But the valve itself is marked EF9n T. It is rather different to current EF9's, larger in all dimensions. Aluminum color, not red. I wonder if anyone has references for this tube. Best regards, Jose
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