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75

Information - Help 
ID = 2859
       
Country:
United States of America (USA)
Brand:
Tube type:  Double Diode-Triode   Universal 
Identical to 75 = VT-75 = 275 = UZ-75 = A675 = 675 = 175 = 375 = CV1419
Similar Tubes
Other class quality (otherwise equal):
  38075 ; CV614
Heater different:
  2A6
Other base:
  6B6 ; 6B6M ; 6SQ7 ; 75_Coronet
Other base and other heater:
  11D3 ; 6B6G
Multiple differences or of other kind:
  6Z-DH3
First year 1933 -- Collector info (Sammler)
First Source (s)
1933 : The AWA Journal Vol. 7, 1992.
Nov.1933 : -- Collector info (Sammler)
Predecessor Tubes 2A6  
Successor Tubes 1936   6Q7   6Q7G   6B6   6Q7MG   6Q7GT  

Base 6-Pin-Base U6A, old, USA (Codex=Ka) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description

* RMA/JEDEC register record available by courtesy of TCA* - This tube was already listed by several manufacturers when RMA started its standardization in 1934. In order to characterize popular receiving types, manufacturers were asked to supply average characteristics as measured on production lots. Here are the filled answer forms supplied by Radio Valve Co., Raytheon, Sparton, Triad, Tung Sol, Ken Rad, Hytron and Arcturus. Full record is downloadable here.

 
Dimensions (WHD)
incl. pins / tip
x 123 x 34 mm / x 4.84 x 1.34 inch
Weight 38 g / 1.34 oz
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 28
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49

75.png
75: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonymous 10 Collector

461_3.png 75: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
75_techdat01.png
75: Sylvania Technical Manual
Peter Hoddow

More ...
Usage in Models 24= 1933?? ; 59= 1933? ; 182= 1933 ; 47= 1934?? ; 94= 1934? ; 413= 1934 ; 123= 1935?? ; 148= 1935? ; 697= 1935 ; 123= 1936?? ; 204= 1936? ; 702= 1936 ; 103= 1937?? ; 112= 1937? ; 600= 1937 ; 84= 1938?? ; 83= 1938? ; 427= 1938 ; 83= 1939?? ; 69= 1939? ; 176= 1939 ; 78= 1940?? ; 46= 1940? ; 51= 1940 ; 30= 1941?? ; 23= 1941? ; 10= 1941 ; 36= 1942?? ; 18= 1942? ; 9= 1942 ; 2= 1943?? ; 1= 1943? ; 1= 1943 ; 1= 1944?? ; 1= 1944? ; 8= 1945?? ; 4= 1945? ; 1= 1945 ; 2= 1946? ; 4= 1946 ; 11= 1947?? ; 3= 1947 ; 3= 1948?? ; 1= 1948? ; 3= 1948 ; 1= 1949 ; 35= 1950?? ; 1= 1951?? ; 1= 1951 ; 1= 1952?? ; 1= 1952? ; 2= 1955?? ; 1= 1956 ; 4= 9999?? ; 1= 9999? ; 5= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4953

Collection of


Documents about this component
  RMA qualification record for tube types 76, 77, 78, 6C6, 6D6, 75, 41, 42, 2A5, 85, 6F7, 80, 84 and 6A7. 1569 KB
 
75_60rm400s.jpg

75
 

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