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SP4_MP-5pin

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ID = 20139
       
Country:
Denmark
Brand: M.P. Denmark
Tube type:  Transmitting Tube, Pentode, air cooled   Power/Output 
Identical to SP4_MP-5pin
Similar Tubes
Other base:
  SP4_MP-4pin
Other base and data slightly different:
  PC1/50 ; RS287

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament Vf 4 Volts / If 2 Ampere / Direct
Information source - - Manufacturers Literature   

8base.png SP4_MP-5pin: own collection
Peter den Boer


Just Qvigstad
transmitters~~3.png
SP4_MP-5pin: own collection
Peter den Boer

 

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