Antique radios, Old Time Radios
U30_Ultra
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Country:
Germany
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| Identical to |
U30_Ultra
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.7 Volts / If 0.03 Ampere / Direct / Battery = |
| Description |
Heizdaten im Codex: 2,3V/0,8A und 2,7V/0,3A vermutlich falsch.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49 und 1951
-- Collector info (Sammler) H.Wigge, Rundfunktechnisches Handbuch, 1.Teil,1925
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U30_Ultra: H.Wigge, Rundfunktechnisches Handbuch, 1.Teil, 1925, S.174
Anonymous 15 Collector
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