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MM4V

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ID = 2777
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to MM4V = E455
Similar Tubes
Normally replaceable-slightly different:
  ACVS4 ; TE554

Base Europe 5-Pin (O5A, B5) (Codex=Fc) Top contact screw type
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
mullardmm4v_web.jpg
MM4V: CA
Christian ADAM

 
9_42.png
MM4V: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 5= 1931? ; 1= 1931 ; 2= 1932? ; 6= 1932 ; 5= 1933? ; 4= 1933 ; 1= 1934? ; 3= 1934 ; 1= 1935?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):28


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