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CV1240

Information - Help 
ID = 11075
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Transmitting Tube, Pentode, air cooled 
Identical to CV1240 = NT65A = 1512A
Similar Tubes
Normally replaceable-slightly different:
  PZ1-35
Other base and data slightly different:
  PT15

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bz) Top contact with a cap.
Filament Vf 4 Volts / If 2.45 Ampere / Direct
Description 1250V max operating voltage, 30W power dissipation, 3.1mA/V mutual conductance. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   

pz1.png CV1240: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
 

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