Antique radios, Old Time Radios
K40B
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Country:
Great Britain (UK)
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| Identical to |
K40B
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| Similar
Tubes |
Normally replaceable-slightly different:
PM12A
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.18 Ampere / Direct |
| Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 45
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 146, p. 207
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
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K40B: Fin Stewart
Fin Stewart
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Just Qvigstad
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