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Tube type: |
Triode-Heptode Frequency converter |
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Tube ID = 3999
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| Identical to |
12AJ8
= HCH81
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| Similar
Tubes |
UCH81 (Heater different)
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| Base |
Noval, B9A
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| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.15 Ampere /
Vf 12.6 Volts /
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collection JR
Jacob Roschy
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RTT 1974 (Franzis) 13. Auflage
Martin Renz
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Manufacturer's Literature
Emilio Ciardiello
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