Antique radios, Old Time Radios
DF1
Country:
Great Britain (UK)
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Brand:
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Tube type: |
Vacuum Pentode RF/IF-Stage |
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Identical to |
DF1
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Similar
Tubes |
Other base:
1N5
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Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Sup)
Top contact with a cap.
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 1.4 Volts / If 0.05 Ampere |
Description |
GB: (Traders Service sheet 450)
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Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 23
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 145, p. 202
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
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DF1: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe
More ...
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Just Qvigstad
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DF1: My schematic collection.
Pier Antonio Aluffi
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):22
Collection of
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