Antique radios, Old Time Radios
4B4_Ultron
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Country:
Belgium
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| Identical to |
4B4_Ultron
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| Similar
Tubes |
Normally replaceable-slightly different:
B443
; C443
Other base:
4B4_4pin
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.15 Ampere / Direct / Battery = |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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4B4_Ultron: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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Collection of
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| Data Compliance |
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