Antique radios, Old Time Radios
7T7
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Country:
United States of America (USA)
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| Identical to |
7T7
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| Similar
Tubes |
Other base:
6SH7
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| First Source
(s) |
04.Mar.1942 : Electron Tube Registration List
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| Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=W)
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| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
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7T7: Internet
Miguel Angel Trujillo-Rodriguez
More ...
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7T7: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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7T7: Sylvania Technical Manual
Peter Hoddow
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