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Tube type: |
Triode-Heptode Frequency converter Controlling (mu) |
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Tube ID = 21224
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| Identical to |
ECH8000
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| Similar
Tubes |
ECH81 (can normally be replaced - small diff'ce)
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| First Series |
1952 Tube leaflet collection E.Erb Analysis by original leaflets |
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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: 0.3 Ampere /
Vf 6.3 Volts /
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| Description |
Langlebensdauerröhre
Text in other
languages (may
differ)
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| Tube prices |
0 Tube prices (visible for members
only)
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| Literature |
Röhren-Taschen-Tabelle 14.A, (Franzis RTT)
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RTT Schwandt
Günther Stabe
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