Antique radios, Old Time Radios

6Q7G

Country:	Worldwide		Brand:	Common type Worldwide
			Tube type:	Double Diode-Triode Audio Frequency

Tube ID = 2707

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Identical to	6Q7G = CV587 = VT-92A = W1526 = DH63
Similar Tubes	Other shape (e.g. bulb type): 6Q7; 6Q7GM; 6Q7GT; 6Q7MG Normally replaceable-slightly different: NR68 Other characteristic (electr. data): 6B6G; 6B6M Heater different: 12Q7G
First year	1936 -- Collector info (Sammler) Based on the number of models only.
First Source (s)	1936 : -- Schematic
Predecessor Tubes	75
Successor Tubes	6SQ7GT 12Q7G 6Q7MG

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49 Babani, International Radio Tube Encyclopaedia


	6Q7G: Manufacturer's Literature Emilio Ciardiello

6Q7G
Jacob Roschy

Variants

6Q7G: RTT Schwandt
Günther Stabe

6Q7G: original data sheet
Michael Poll

Usage in Models

1= 1935?? ; 2= 1935? ; 2= 1935 ; 1= 1936?? ; 16= 1936? ; 136= 1936 ; 21= 1937?? ; 40= 1937? ; 279= 1937 ; 111= 1938?? ; 249= 1938? ; 724= 1938 ; 64= 1939?? ; 50= 1939? ; 346= 1939 ; 50= 1940?? ; 28= 1940? ; 113= 1940 ; 21= 1941?? ; 10= 1941? ; 40= 1941 ; 23= 1942?? ; 21= 1942? ; 16= 1942 ; 2= 1943?? ; 1= 1943? ; 5= 1943 ; 6= 1944 ; 5= 1945?? ; 29= 1945? ; 37= 1945 ; 12= 1946?? ; 4= 1946? ; 38= 1946 ; 13= 1947?? ; 7= 1947? ; 23= 1947 ; 11= 1948?? ; 1= 1948? ; 5= 1948 ; 1= 1949?? ; 2= 1949? ; 7= 1949 ; 8= 1950?? ; 6= 1950 ; 5= 1951?? ; 2= 1951 ; 1= 1952 ; 1= 1954?? ; 1= 1955?? ; 1= 1956?? ; 1= 1956 ; 1= 1964?

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 2600

Variants

Giorgio Busletta

6Q7G*Tubular

In Italy Fivre, Marconi and Sicte sold a renewed vaiant of the domed G bulb after the introduction of GT types. The tubular G envelope had the diameter of the GT one and the height of the old domed G.

09.Mar.2011 Emilio Ciardiello

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