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PM13

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ID = 12877
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to PM13

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 4 Volts / If 0.1 Ampere / Direct / Specified current DC = (Series working)
Description

There is also a 5 pin metallised version

 
Information source History of the British Radio Valve to 1940   p. 150 & 186
- - Manufacturers Literature   Mullard 1935
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

3_27.png PM13: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1928? ; 3= 1931 ; 1= 1935?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
 

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