Antique radios, Old Time Radios
SG215
Country:
Great Britain (UK)
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Brand:
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Tube type: |
Screen-grid Tetrode RF/IF-Stage |
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Identical to |
SG215
|
Similar
Tubes |
Normally replaceable-slightly different:
B242
; B262
; PM12
; SG2_Clarion
|
First Source
(s) |
Aug.1930 : Philips Bulletin R1164,p. 31 - Ediswan
|
Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Top contact screw type.
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 2 Volts / If 0.15 Ampere / Direct / Battery = |
Description |
Im Röhren-Codex sind drei SG215 geführt, mit teils fehlerhaften Daten.
Innerhalb der vier Hersteller und über den Produktionszeitraum variieren die Röhrendaten, was jedoch für den Einsatz im jeweiligen Radio der damaligen Zeit keine gravierenden Auswirkungen hatte.
|
Information source |
History of the British Radio Valve to 1940 p. 149 & 184
Babani, International Radio Tube Encyclopaedia p. 142 & 143
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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SG215: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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SG215: own collection
Peter den Boer
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):26
Collection of
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