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43

Information - Help 
ID = 2674
       
Country:
United States of America (USA)
Brand:
Tube type:  Vacuum Pentode   Power/Output 
Identical to 43 = ER43 = CV2514 = NU-43 = A2543
Similar Tubes
Other shape (e.g. bulb type):
  M43_metal-glass
Normally replaceable-slightly different:
  43E
Other base:
  25A6 ; 25A6G ; 43MG
First year Sep.1932 -- Collector info (Sammler)
First Source (s)
1933 : The AWA Journal Vol. #7
Successor Tubes 25A6   25L6   25L6GT   25L6G   25A6G   43MG  

Base 6-Pin-Base U6A, old, USA (Codex=Kdo)
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

43.png
43: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonymous 10 Collector
    More ...
470_4.png 43: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
43_techdat01.png
43: Sylvania Technical Manual
Peter Hoddow

More ...
Usage in Models 1= 1932? ; 11= 1932 ; 31= 1933?? ; 99= 1933? ; 226= 1933 ; 47= 1934?? ; 68= 1934? ; 282= 1934 ; 74= 1935?? ; 90= 1935? ; 257= 1935 ; 92= 1936?? ; 93= 1936? ; 273= 1936 ; 62= 1937?? ; 65= 1937? ; 137= 1937 ; 24= 1938?? ; 38= 1938? ; 65= 1938 ; 26= 1939?? ; 8= 1939? ; 18= 1939 ; 18= 1940?? ; 2= 1940? ; 5= 1940 ; 5= 1941?? ; 1= 1941? ; 3= 1941 ; 5= 1942?? ; 2= 1942? ; 1= 1943 ; 2= 1945?? ; 1= 1945? ; 1= 1945 ; 2= 1947?? ; 2= 1947? ; 1= 1947 ; 5= 1950?? ; 1= 1955?? ; 3= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2147

Collection of

 
43_6~~1.jpg

43
 

Variants

Metal coated cylindrical glass version. Complete name: M43. The letter "M" appears only on the boxes and enclosed paperwork, not on the tubes. Please klick here: M43

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".


Forum contributions about this tube
43
Threads: 1 | Posts: 1
Hits: 3161     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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