Antique radios, Old Time Radios
12SK7
Country:
United States of America (USA)
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Identical to |
12SK7
= VT-131
= CV543
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Similar
Tubes |
Other shape (e.g. bulb type):
12SK7GT
; CV544
Other class quality (otherwise equal):
12SK7Y
; 5661
Heater different:
6SK7
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First year |
1939
-- Collector info (Sammler) backed up by >200 models with dated ads etc.
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First Source
(s) |
02.Feb.1939 : Electron Tube Registration List
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Successor Tubes
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12BA6
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Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uka)
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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 |
Description |
Plus or minus 90 VDC max insulation between heater and cathode by GE spec sheet.
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Tube prices |
5 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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12SK7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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12SK7: 12SK7 RCA Data Sheet 1947
Vitor Oliveira
More ...
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Just Qvigstad
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12SK7: SEL Handbuch 1964
Peter Hoddow
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3322
Collection of
Collection of a member from A Collection of a member from D Collection of a member from FIN Collection of a member from D
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