Antique radios, Old Time Radios
GW402
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Country:
Europe
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Brand:
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| Tube type: |
Triode, vacuum Power/Output |
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Ca. 1925 up to 1945 rare. |
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| Identical to |
GW402
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| Similar
Tubes |
Normally replaceable-slightly different:
F704
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| 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 7.5 Volts / If 1.2 Ampere / Direct / Specified voltage AC/DC |
| Information source |
L'ABCDaire des lampes de TSF des jeunes années p. 74b
British Radio Valves - The Classic Years: 1926-1946 Supplement p. 35
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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Just Qvigstad
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Collection of
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