Antique radios, Old Time Radios
GR28-40
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Country:
Germany
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| Identical to |
GR28-40
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| Similar
Tubes |
Normally replaceable-slightly different:
GR25-4
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
--/-- |
| Description |
1 Glimmstrecke, max. Zündspannung 140 V, Brennspannung 100...105 V, I ca. 5 ... 60 mA, Ri ca. 100 Ohm.
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Dimensions (WHD)
incl. pins / tip |
18 x 57 x mm / 0.71 x 2.24 x inch |
| Weight |
8 g / 0.28 oz |
| Information source |
Röhren-Taschen-Tabelle, (Franzis RTT)
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GR28-40: 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):2
Collection of
Collection of a member from D |
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