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43

Information - Help 
ID = 2674
       
Country:  United States of America (USA)      Brand: Common type USA tube/semicond.
  Tube type:  Vacuum Pentode   Power/Output 
Identical to 43 = ER43 = CV2514 = A2543
Similar Tubes Normally replaceable-slightly different:
 43E
Other base:
 25A6; 25A6G; 43MG
First Source (s) 1933 : The AWA Journal, Quarterly Bulletin of the Antique Wireless Association, Inc. (AWAJ) Vol. #7
Sep.1932 : -- Collector info (Sammler)
Successor Tubes 43MG   25A6   25L6   25L6GT   25L6G   25A6G  

Base 6-Pin-Base U6A, old, USA (Codex=Kdo)
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Series, AC/DC /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  43.png
  43: Courtesy Bureau Belper (De Muiderkring, Bussum)
Michael Schlör
43_1_1.jpg
43: P.ST
Peter Steffen

 
Variants
 
470_4.png
43: Telefunken Werkstattbuch
Wolfgang Bauer

 
43_techdat01.png
43: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1930?? ; 2= 1932? ; 11= 1932 ; 27= 1933?? ; 79= 1933? ; 201= 1933 ; 39= 1934?? ; 40= 1934? ; 236= 1934 ; 64= 1935?? ; 62= 1935? ; 220= 1935 ; 58= 1936?? ; 79= 1936? ; 241= 1936 ; 51= 1937?? ; 62= 1937? ; 136= 1937 ; 26= 1938?? ; 29= 1938? ; 58= 1938 ; 28= 1939?? ; 7= 1939? ; 18= 1939 ; 15= 1940?? ; 2= 1940? ; 4= 1940 ; 4= 1941?? ; 1= 1941? ; 2= 1941 ; 5= 1942?? ; 2= 1942? ; 1= 1943 ; 1= 1945?? ; 1= 1945 ; 2= 1947?? ; 2= 1947? ; 1= 1947 ; 1= 1948?? ; 1= 1950?? ; 2= 9999
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1822

43*Box

K.H.Fischer
Karlheinz Fischer

own collection
Sinisa Trlin

Radio repair shop
Nicholas Roberts

  Variants


F.M.
Fabio Masetti
43*violet glass

The 43 type tube used to be made in a distinctive violet glass by early FIVRE production lots made for its related company RadioMarelli. Although color is violet, these tubes are commonly referred and known as "red Fivre tubes".

19.Nov.2009 Peter Steffen

 
   

Forum contributions about this tube
43    
Threads: 1 | Posts: 1
Hits: 1149     Replies: 0
43 (43)
Reinhard Hanschke
14.Aug.07
  1

Neupreis 1938: 57,00 FFR. Lit.: Catalog der Fa. MANUFRANCE (MF) von 1938.

 
43    
End of forum contributions about this tube

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