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PEN40DD

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ID = 28136
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  LOCKED OFF PART (CODE 9) - see in Notes   Power/Output 
Identical to PEN40DD

Base British-7-Pin, old (M7A)
Description

see Pen40DD

 
Information source Taschenbuch zum Röhren-Codex 1948/49   


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