Antique radios, Old Time Radios
12SR7
Country:
United States of America (USA)
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Identical to |
12SR7
= VT-133
= CV700
= 12Г1
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Similar
Tubes |
Other shape (e.g. bulb type):
12SR7GT
Normally replaceable-slightly different:
12SW7
Heater different:
6SR7
Other base:
12BF6
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First Source
(s) |
16.Oct.1939 : Electron Tube Registration List
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Successor Tubes
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12BF6
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Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC |
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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12SR7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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12SR7: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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12SR7: 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):23
Collection of
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