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TB42

Information - Help 
ID = 13079
       
Country:
France
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to TB42 = B442 = H410D = DZ2 = R81
Similar Tubes
Normally replaceable-slightly different:
  B442/A

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
tb42_dario_detail_ph1.jpg
TB42: Patrice ZEISSLOFF
Patrice Zeissloff

 
tb42_so.png
TB42: rtt
Michael Schlör

 

from Just Qvigstad


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