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QP22B

Country:  Great Britain (UK)      Brand:  Mullard Radio Valve Co. Ltd.;  
  Tube type:  Double Pentode   Power/Output 
Tube ID = 11582
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Identical to QP22B

Base British-7-Pin, old (M7A) (Codex=No)
Filament Vf 2 Volts / If: 0.3 Ampere / -: Direct / -: Battery = /
Dimensions (WHD)
incl. pins / tip
38 x 110 x mm / 1.50 x 4.33 x inch
Weight 49 g / 1.73 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   

qpe_qp22b.jpg
QP22B: K.H.Fischer
Karlheinz Fischer

 
547_1.png
QP22B: Telefunken Werkstattbuch
Wolfgang Bauer

 
Usage in Models   1= 1938?? ; 7= 1939 ; 2= 1948
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   10

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