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PM22A

Information - Help 
ID = 3978
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   Power/Output 
Identical to PM22A = 220Pen = 22A
Similar Tubes
Normally replaceable-slightly different:
  KL1_5pin
Other base:
  PM22A_4-pin ; PM22A_UY

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Eoo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Description

Available also with 4 pin base and side terminal (1935 data book)

 
Text in other languages (may differ)
Information source - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   
 
pm_22a.jpg
PM22A: Own Collection
Tor Steinnes

 
606_6.png
PM22A: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 2= 1929 ; 1= 1931? ; 3= 1931 ; 2= 1932? ; 3= 1932 ; 1= 1933?? ; 6= 1933? ; 6= 1933 ; 1= 1934?? ; 3= 1934? ; 10= 1934 ; 2= 1935?? ; 4= 1935? ; 16= 1935 ; 2= 1936?? ; 3= 1936? ; 14= 1936 ; 1= 1937?? ; 4= 1937? ; 16= 1937 ; 1= 1938?? ; 2= 1938? ; 15= 1938 ; 2= 1939? ; 6= 1939 ; 4= 1940 ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):131


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