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PM12

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ID = 12873
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to PM12
Similar Tubes
Normally replaceable-slightly different:
  SG215
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)
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 =
Information source History of the British Radio Valve to 1940   p. 141 & 183
Babani, International Radio Tube Encyclopaedia   p. 128 & 129
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49
3_22.png PM12: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		uk_mullard_pm12_data.png
PM12: Mfg. data sheet
Jay Kinnard
Usage in Models 2= 1928 ; 1= 1929?? ; 2= 1929? ; 8= 1929 ; 2= 1930? ; 2= 1930 ; 8= 1931 ; 1= 1932? ; 3= 1932 ; 3= 1933? ; 2= 1933 ; 2= 1934?? ; 2= 1934?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):38

Collection of

Konrad Birkner † 12.08.2014 (D)
Gwyn Griffiths (GB)
Collection of a member from D
 
pm12_mullard_2.jpg

PM12
 
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