Antique radios, Old Time Radios

6M7

Country:	France		Brand:	Common production France
			Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Tube ID = 1991


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Identical to	6M7 = 6M7MG
First Series	1940 Tube leaflet collection E.Erb Analysis by original leaflets

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Octal) 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	There is no metal tube 6M7, but glass or metal-glass (MG) tubes stamped as 6M7, see also under 6M7MG. Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	Internet Miguel Angel Trujillo-Rodriguez

Variants

Telefunken Röhrenhandbuch
Wolfgang Bauer

Usage in Models (calculation each 25th of the month)	1= 1935 ; 1= 1939? ; 4= 1940?? ; 4= 1940? ; 8= 1940 ; 2= 1941?? ; 2= 1942?? ; 4= 1942 ; 2= 1945?? ; 7= 1945 ; 2= 1946?? ; 6= 1946 ; 3= 1947?? ; 2= 1947? ; 12= 1947 ; 1= 1948?? ; 1= 1948? ; 8= 1948 ; 1= 1949? ; 9= 1949 ; 3= 1950? ; 7= 1950 ; 2= 1951? ; 6= 1951 ; 1= 1952 ; 1= 1953 ; 1= 1954 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 101

Variants
Patrice ZEISSLOFF Patrice Zeissloff	6M7*G Glass version of the 6M7, the correct name would be 6M7G 13.Oct.2009 Jacob Roschy
	6M7*MG MG- (metal-glass) version of the 6M7, the correct name would be 6M7MG 13.Oct.2009 Jacob Roschy	Collection JR Jacob Roschy

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6M7

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6M7

Variants

6M7*G

6M7*MG

6M7