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R43M

Information - Help 
ID = 12885
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to R43M
Similar Tubes
Normally replaceable-slightly different:
  A441N_5pin ; BG4 ; Bigrille_noire ; DG407/0 ; DZ1 ; MX40_Fotos ; Micro-Bigril ; Micro-Bigril_R43 ; R43 ; TA31
Other base:
  R43M_4pin
Other base and data slightly different:
  A441N
Base French Bigrille 5 pin (D)
Filament Vf 3 Volts / If 0.07 Ampere / Direct / Battery =
Description

There is a R43M of Radiotechnique and one of Dario. They have slight different ratings.

 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
tubeenvdiag_klein_mod_bigr_1.gif
R43M: DRB 55
Wolfgang Holtmann
tubesockel_klein_bigrillem_3.gif R43M: W.Holtmann
Wolfgang Holtmann
More ...
 r43mopdatasmall.png
R43M: own collection
Peter den Boer
More ...
Usage in Models 1= 1928? ; 1= 1928 ; 1= 1929? ; 4= 1929 ; 1= 1930?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8

Collection of

John Koster (NL)
Patrice Zeissloff (F)
Pedro Prieto-Castro (E)
Joachim Haas (D)
 
r43_1.jpg

R43M
 
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