Antique radios, Old Time Radios
GR420/DR
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Country:
Germany
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| Identical to |
GR420/DR
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| Similar
Tubes |
Other base:
GR420/DA
Multiple differences or of other kind:
GR420
; GR420/A
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Ea)
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| Was used by |
Technology / Measurement |
| Filament |
--/-- |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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GR420/DR: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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