Antique radios, Old Time Radios
2L20
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Country:
Germany
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| Identical to |
2L20
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| Similar
Tubes |
Other characteristic (electr. data):
RE152
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| First year |
1928
Tube leaflet collection E.Erb Analysis by original leaflets
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Filament |
Vf 2 Volts / If 0.15 Ampere |
| Description |
Salzmann nennt im Buch "Röhrencodierungen der 20er und 30 Jahre" folgende Daten:
Endtriode
Uf: 1,7V, If: 0,2A
Ua: 100V, Ia: 9mA
Ug: -1,5V
S: 1,4 mA/V
D = 15%
µ = 6,6
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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2L20: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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Just Qvigstad
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2L20: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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