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Tube type: |
Triode-Hexode Frequency converter |
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Tube ID = 21858
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| Identical to |
6AN7
= ECH80
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| Similar
Tubes |
ECH42 (other base)
12AN7 (Heater different)
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| Base |
Noval, B9A
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| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.23 Ampere /
Vf 6.3 Volts /
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| Literature |
Röhren-Taschen-Tabelle 14.A, (Franzis RTT)
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K.H.Fischer
Karlheinz Fischer
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RTT Schwandt
Günther Stabe
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