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SG215

Information - Help 
ID = 3799
       
Country:
Great Britain (UK)
Brand:
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
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.
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

s_2_g_5.gif SG215: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


Just Qvigstad
sg215_215a.png
SG215: own collection
Peter den Boer

Usage in Models 1= 1929? ; 2= 1929 ; 1= 1930? ; 1= 1930 ; 1= 1932?? ; 7= 1932 ; 1= 1933? ; 4= 1933 ; 5= 1934 ; 1= 1935 ; 1= 1936? ; 1= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):26

Collection of

 
sg215_039r.jpg

SG215
 

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