Antique radios, Old Time Radios
813
| Base |
7-Pin-Base U7G = Giant, old, USA (Codex=Mrb)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 5 Ampere / Direct |
| Description |
Also made in Italy by Fivre.
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Dimensions (WHD)
incl. pins / tip |
x 183 x 65 mm / x 7.20 x 2.56 inch |
| Weight |
211 g / 7.44 oz |
| Tube prices |
4 Tube prices (visible for members
only)
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| Information source |
Tube Lore (II) p. 77
Babani, International Radio Tube Encyclopaedia P. 232 & 233
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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813: Internet
Wesselin Tzenow † 25.5.10
More ...
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813: ARRL Handbook 1972
Anonymous 10 Collector
More ...
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Just Qvigstad
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813: Valvo,Senderöhren, 1983
Anonymous 15 Collector
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14
Collection of
Collection of a member from FIN |
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Variants
This version does not have graphite plate but has a rectangular metal sheet plate and an aluminum socket with ceramic insert. Weigh is 220 gram.
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