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R43

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ID = 12884
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to R43 = Micro-Bigril = Micro-Bigril_R43
Similar Tubes
Normally replaceable-slightly different:
  Bigrille-Ampli ; R43M
Other characteristic (electr. data):
  OC
Heater different:
  RT643
Other base and other heater:
  RT643_7pin
First year 1925 Saga of the Vacuum Tube, Tyne page 402
Base French Bigrille 5 pin (D) (Codex=Eu)
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Description

Röhrenbezeichnung komplett: Micro Bigrille R43

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
tubeenvdiag_klein_mod_bigr_6.gif
R43: W.H.
Wolfgang Holtmann
tubesockel_klein_bigrillem_3_2.gif R43: W.H.
Wolfgang Holtmann
r43_spec.png
R43: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
More ...
Usage in Models 2= 1925? ; 1= 1925 ; 1= 1926? ; 3= 1926 ; 7= 1927 ; 1= 1928?? ; 1= 1928? ; 6= 1928 ; 3= 1929 ; 1= 1930
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):26

Collection of

Jorge Tavares (F)
Siegfried Neumann (D)
Collection of a member from D
 
20170502_141731.jpg

R43
 
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