Antique radios, Old Time Radios
DW9
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Country:
France
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Brand:
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| Tube type: |
Vacuum Pentode Power/Output |
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| Identical to |
DW9
= RTP4
= E443H
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fdo)
Sidecontact.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC |
| Description |
Frankreich
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 207, p. 407
British Radio Valves - The Classic Years: 1926-1946 Supplement p. 35
Taschenbuch zum Röhren-Codex 1948/49
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DW9: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
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