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PM22

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ID = 11491
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   Power/Output 
Identical to PM22 = 230Pen = 220PT
Similar Tubes
Normally replaceable-slightly different:
  CV3649 ; TC432 ; Y220
Other base:
  PM22_UX
First Source (s)
1928 : History of the British Radio Valve to 1940 p. 150 & 185

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Eoo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Description

Early Mullard data quotes filament current 0.3A, later 0.2A. Va=Vs<150. Gm 1.3mA/V Z=62.5k. Mullard offered 4 and 5 pin versions.

 
Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p. 128 & 129
- - Manufacturers Literature

596_3.png PM22: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
uk_mullard_pm22_data.png
PM22: Mfg. data sheet
Jay Kinnard

Usage in Models 1= 1923?? ; 1= 1928 ; 2= 1929 ; 1= 1930? ; 1= 1930 ; 1= 1931? ; 6= 1931 ; 2= 1932? ; 2= 1932 ; 2= 1933 ; 2= 1934 ; 2= 1935?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23

Collection of

 
pm22_mullard.jpg

PM22
 

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