Antique radios, Old Time Radios
7S7
Country:
Worldwide
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Brand:
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Tube type: |
Triode-Heptode Frequency converter Controlling (mu) |
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Identical to |
7S7
= X148
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Similar
Tubes |
Heater different:
14S7
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First Source
(s) |
19.May.1941 : Electron Tube Registration List
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Predecessor Tubes |
7J7
6K8GT
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Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=W)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
Dimensions (WHD) incl. pins / tip |
30 x 71 x mm / 1.18 x 2.80 x inch |
Weight |
21 g / 0.74 oz |
Tube prices |
6 Tube prices (visible for members
only)
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Information source |
Essential Characteristics, GE 1973 Data SYLVANIA Tubes book
Taschenbuch zum Röhren-Codex 1948/49
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7S7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
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7S7: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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7S7: Sylvania Radio Tubes Technical Manual
Didier Tholomier
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):279
Collection of
Collection of a member from FIN
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Forum contributions about this tube
7S7
Threads: 1 | Posts: 2
Hits: 3740 Replies: 1
7S7
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Willy De Grande
30.Jul.05
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1
Beschreibung : Triode - Heptode-converter : 7S7 auser/Uf 6.3V/= 14S7/Uf12.6v/ Changeur de frequence triode-heptode. Data SYLVANIA Tubes book
Abmessungen : Dia. 30 mm / L (u.a) 71 mm.
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Hans-Thomas Schmidt
30.Jul.05
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2
Hallo Herr De Grande,
Vielen Dank, die Angaben wurden übernommen.
Beste Grüße, H.-T. Schmidt
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7S7
End of forum contributions about this tube
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