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CL1257

Information - Help 
ID = 74767
       
Country:
France
Brand: Métal; France (tubes)
Tube type:  Triode, vacuum   Power/Output 
Identical to CL1257
Similar Tubes
Normally replaceable-slightly different:
  10_B4
Other base and data slightly different:
  10

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / Direct / Parallel, (AC/DC)
Description

Similar to the 10 tube but with B4 european base

 
Literature -- Collector info (Sammler)   
 
cl1257_pic1.jpg
CL1257: F.B.
François Bienfait

 
cl1257_b4_culot.png
CL1257: Collector info
Patrice Zeissloff

 


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