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6D4

Information - Help 
ID = 4750
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer:  
Tube type:  Thyratron 
Identical to 6D4 = CV1949 = EN93 = AFX212
First Source (s)
10.Mar.1944 : Electron Tube Registration List 373

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zi)
Filament Vf 6.3 Volts / If 0.25 Ampere / Indirect / Parallel, (AC/DC) /
Description Also used as white noise generator up to some 20MHz, as in the Gen-Rad 1390B. 
Tube prices 2 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  6d4.png
  6D4: Internet
Miguel Angel Trujillo-Rodriguez
 
6d4_sylvania.jpg
6D4: Private collection
Emilio Ciardiello

 
6d4_so_1.png
6D4: ARRL Handbook 1972
Michael Schlör

 
6d4_techdat01.png
6D4: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1934 ; 1= 1963?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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