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S215

Information - Help 
ID = 12968
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to S215
Similar Tubes
Normally replaceable-slightly different:
  H206D ; RES182 ; S210_Tungsram ; SS210
Heater different:
  S0.8
First year Sep.1928 - - Manufacturers Literature leaflet

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Er) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Description

Manufacturer's announcement gives heater current as 0.15A.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Pamphlet 243
 
gb_osram_s215.jpg
S215
Gwyn Griffiths

 
3_13.png
S215: Telefunken Werkstattbuch
Wolfgang Bauer

 
s2151.png
S215: own collection
Peter den Boer


Usage in Models 1= 1928 ; 2= 1929 ; 1= 1930 ; 1= 1933 ; 1= 1934?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6


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