Antique radios, Old Time Radios
B425
Country:
Netherlands
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Identical to |
B425
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Similar
Tubes |
Normally replaceable-slightly different:
410W
; CY15
; DT5
; DW302
|
First Source
(s) |
Apr.1930 : Philips Bulletin
Aug.1930 : Philips Bulletin R1164, p. 27
|
Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 4 Volts / If 0.1 Ampere / Direct / Battery = |
Information source |
L'ABCDaire des lampes de TSF des jeunes années p. 41
Babani, International Radio Tube Encyclopaedia p. 54 & 55
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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B425: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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Just Qvigstad
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B425: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):17
Collection of
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