Antique radios, Old Time Radios
IFW1
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Country:
France
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| Identical to |
IFW1
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| Similar
Tubes |
Normally replaceable-slightly different:
MU14
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 2 Ampere / Direct |
| Description |
Note: this tube liated in Taschenbuch as 1FW1 but is IFW1.
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 26, p. 24
British Radio Valves - The Classic Years: 1926-1946 Supplement, p. 143
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
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IFW1: rtt
Anonymous 10 Collector
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Just Qvigstad
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