Antique radios, Old Time Radios
7K7
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Country:
United States of America (USA)
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| Identical to |
7K7
= CV896
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| Similar
Tubes |
Other base:
6AQ7GT
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| First Source
(s) |
15.Aug.1941 : Electron Tube Registration List
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| Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=Ve)
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| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
| Description |
The construction of the 7K7 is based on the twin triode 7F7, whereby the second triode unit is altered into a double diode by using the two grid rods as diode anodes, (without grid windings), and the anode cylinder acts only as shield.
Text in other
languages (may
differ)
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| Tube prices |
2 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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7K7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
More ...
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7K7: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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7K7: Sylvania Technical Manual
Peter Hoddow
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):21
Collection of
Collection of a member from D |
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