Antique radios, Old Time Radios
DDU412
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Country:
Hungary
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| Identical to |
DDU412
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| Base |
SPECIAL TUBEBASE in general
2 Sidecontacts.
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| Filament |
Vf 4 Volts / If 0.12 Ampere / Direct / Battery = |
| Description |
Es sind zwei elektr. unterschiedliche Raumladegitter-Tetroden eingebaut. Der Sockel hat 6 Stifte und 2 Seitenschrauben.--- Aus: "Die Röhren der Gegenwart" Schwandt/Kunze, 1928.
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| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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DDU412: Foto: H. Börner
Herbert Börner
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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