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Bigrille

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ID = 12578
       
Country:
France
Brand: Cyrnos (brand) - see also MCB
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to Bigrille
Similar Tubes
Normally replaceable-slightly different:
  A441
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 22
Base French Bigrille 5 pin (D) (Codex=Eu)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 12
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 149, p. 213
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
tubeenvdiag_klein_mod_bigr_14.gif
Bigrille: DRB 55
Wolfgang Holtmann
tubesockel_klein_bigrillem_3_9.gif Bigrille: W.H.
Wolfgang Holtmann
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Usage in Models 2= 1925?? ; 1= 1925? ; 2= 1926? ; 5= 1927 ; 3= 1928 ; 1= 1929? ; 1= 1929 ; 1= 1932
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16
 
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