Antique radios, Old Time Radios
GR28-30
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| Tube type: |
Voltage Regulator, single |
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| Identical to |
GR28-30
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
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| Description |
1 Glimmstrecke, max. Zündspannung 210 V, Brennspannung 105...110 V, I ca. 5 ... 60 mA, Ri ca. 150 Ohm.
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| Information source |
Röhren-Taschen-Tabelle, (Franzis RTT)
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GR28-30: RTT Schwandt
Günther Stabe † 19.8.20
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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