Antique radios, Old Time Radios
U550
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Country:
Germany
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| Identical to |
U550
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1.1 Volts / If 0.55 Ampere / Direct / Battery = |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
-- Collector info (Sammler) H.Wigge, Rundfunktechnisches Handbuch, 1.Teil,1925
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Just Qvigstad
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U550: H.Wigge, Rundfunktechnisches Handbuch, 1.Teil, 1925, S.174
Anonymous 15 Collector
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| Data Compliance |
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