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6SQ7GT

Information - Help 
ID = 2988
       
Country:
United States of America (USA)
Brand:
Developer: Hytron; Salem (MA) 
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 6SQ7GT = 6G2 = GT6SQ7 = CV1991 = 6SQ7GT/G
Similar Tubes
Other shape (e.g. bulb type):
  6SQ7 ; 6SQ7G ; 6SQ7_DDR
Normally replaceable-slightly different:
  6H6P ; 6SQ7GTY ; PBC3
Heater different:
  12SQ7GT
Different connections:
  6B6 ; 6B6G
Other base:
  6B6M ; 7B6
Other base and other heater:
  2A6
Multiple differences or of other kind:
  6Z-DH3A
First Source (s)
04.May.1939 : Electron Tube Registration List
Predecessor Tubes 6Q7G   6Q7GT   6B6   6Z-DH3A   6Z-DH3  
Successor Tubes 6AV6  
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 4 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
oc85_g.gif 6SQ7GT: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		6sq7gt_techdat01.png
6SQ7GT: Sylvania Technical Manual
Peter Hoddow
More ...
Usage in Models 28= 1939? ; 33= 1939 ; 12= 1940?? ; 52= 1940? ; 89= 1940 ; 24= 1941?? ; 9= 1941? ; 65= 1941 ; 27= 1942?? ; 40= 1942? ; 24= 1942 ; 1= 1943?? ; 2= 1943 ; 2= 1944?? ; 1= 1944? ; 2= 1945?? ; 1= 1945? ; 5= 1945 ; 14= 1946?? ; 19= 1946? ; 65= 1946 ; 28= 1947?? ; 9= 1947? ; 110= 1947 ; 20= 1948?? ; 18= 1948? ; 92= 1948 ; 13= 1949?? ; 32= 1949? ; 81= 1949 ; 21= 1950?? ; 20= 1950? ; 31= 1950 ; 10= 1951?? ; 10= 1951? ; 17= 1951 ; 8= 1952?? ; 16= 1952? ; 15= 1952 ; 6= 1953?? ; 1= 1953? ; 6= 1953 ; 3= 1954?? ; 1= 1954? ; 1= 1955?? ; 3= 1955 ; 2= 1956? ; 8= 1956 ; 1= 1957?? ; 6= 1957 ; 13= 1958 ; 3= 1960?? ; 1= 1960 ; 1= 1962?? ; 1= 1968??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1123

Collection of

Aldo Patriarca (CH)
Jose Luis Villabona Horreo (E)
Antonio Varrica (I)
Emilio Ciardiello (I)
Giorgio Busletta (I)
Bruce Morgenstern (CDN)
Karlheinz Fischer (D)
Siegfried Droese (D)
Antonio Rabitti (BR)
Manuel Martinez (E)
Georges Werts (B)
Collection of a member from FIN
Stig Comstedt (S)
Tomasz Szczesniak (PL)
Peter Roggenhofer † 25.4.18 (A)
Marcello Astolfi (I)
Jacob Roschy (D)
Alberto Ammendola (I)
Hannu Alho (FIN)
David Erali (USA)
Otto Frosinn (D)
George Papaiz (CDN)
Fin Stewart (AUS)
Martin Steyer (D)
Christian Schaufelberger (CH)
Piero Iatteri (I)
Aires Gomes (P)
Michael Gnaedig-Fischer (MEX)
 
6sq7gt_15.jpg

6SQ7GT
 
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