Antique radios, Old Time Radios
SR2_Triode
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Country:
Great Britain (UK)
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| Identical to |
SR2_Triode
= XP2
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| First year |
1937
?
British Radio Valves - The Classic Years: 1926-1946 page 213
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=En)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.3 Ampere / Direct |
| Information source |
History of the British Radio Valve to 1940 p. 151
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 87, p. 122
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SR2_Triode: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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