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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 = 6Z-DH3 = UZ-75 = 6ZDH3 = A675 = 675 = 175 = 375
Similar Tubes
Other class quality (otherwise equal):
  38075 ; CV614
Heater different:
  2A6
Other base:
  6B6 ; 6B6M ; 6SQ7
Other base and other heater:
  11D3 ; 6B6G
First year 1933 -- Collector info (Sammler)
First Source (s)
1933 : The AWA Journal, Quarterly Bulletin of the Antique Wireless Association, Inc. (AWAJ) Vol. 7, 1992.
Nov.1933 : -- Collector info (Sammler)
Predecessor Tubes 2A6  
Successor Tubes 1936   6Q7   6Q7G   6B6   6Q7MG  

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 / Parallel / series 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.

 
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  75.png
  75: Courtesy Bureau Belper (De Muiderkring, Bussum)
Michael Schlör
 
haltron_75.jpg
75: Meine Sammlung
Rudolf Osterkamp

 
461_3.png
75: Telefunken Werkstattbuch
Wolfgang Bauer

 
75_techdat01.png
75: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1932? ; 1= 1932 ; 25= 1933?? ; 58= 1933? ; 170= 1933 ; 39= 1934?? ; 81= 1934? ; 386= 1934 ; 106= 1935?? ; 105= 1935? ; 632= 1935 ; 100= 1936?? ; 162= 1936? ; 656= 1936 ; 83= 1937?? ; 89= 1937? ; 554= 1937 ; 82= 1938?? ; 65= 1938? ; 377= 1938 ; 82= 1939?? ; 65= 1939? ; 154= 1939 ; 70= 1940?? ; 45= 1940? ; 46= 1940 ; 29= 1941?? ; 17= 1941? ; 7= 1941 ; 43= 1942?? ; 17= 1942? ; 8= 1942 ; 2= 1943?? ; 1= 1943 ; 1= 1944?? ; 5= 1945?? ; 1= 1945 ; 3= 1946? ; 4= 1946 ; 12= 1947?? ; 3= 1947 ; 2= 1948?? ; 3= 1948 ; 1= 1949?? ; 17= 1950?? ; 1= 1950 ; 1= 1951?? ; 1= 1951 ; 1= 1952?? ; 1= 1952? ; 1= 1956 ; 1= 9999? ; 5= 9999
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4422

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

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