Antique radios, Old Time Radios
B442S
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Country:
Netherlands
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| Identical to |
B442S
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| Similar
Tubes |
Normally replaceable-slightly different:
B442
; B442M
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
Top contact screw type.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.1 Ampere / Direct / Battery = |
| Description |
This tube also listed in Babani.
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| Information source |
L'ABCDaire des lampes de TSF des jeunes années p. 42a
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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B442S: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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