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DP4480

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ID = 25559
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Double Diode-Pentode   Power/Output 
Identical to DP4480
Similar Tubes
Normally replaceable-slightly different:
  C27D
Other base and data slightly different:
  CBL31

Base British-7-Pin, old (M7A) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 44 Volts / If 0.18 Ampere / Indirect / Series, AC/DC
Literature Taschenbuch zum Röhren-Codex 1948/49   
 

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