Antique radios, Old Time Radios
GR20-42
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| Tube type: |
Voltage Regulator, single |
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| Identical to |
GR20-42
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| Similar
Tubes |
Other base:
GR20-46
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
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| Description |
1 Glimmstrecke, max. Zündspannung 140 V, Brennspannung 95...115 V, I ca. 10...60 mA, Ri ca. 200 Ohm.
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| Information source |
Röhren-Taschen-Tabelle, (Franzis RTT)
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GR20-42: RTT Schwandt
Günther Stabe † 19.8.20
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Just Qvigstad
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Collection of
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