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6M7

Information - Help 
ID = 1991
       
Country:
France
Brand: Common type France tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 6M7 = 6M7MG
First year 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
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Description

According to the nomenclature, an octal tube 6M7 without a suffix as -G, -GT, etc. would presume a metal version of this tube, which apparently does not exist, but there are metal-glass (MG) tubes stamped as 6M7, see also under 6M7G and 6M7MG.

 
Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  6m7.png
  6M7: Internet
Miguel Angel Trujillo-Rodriguez
 
6m7_mazda_lmp1.jpg
6M7: YBA
Bekir Yurdakul

 
374_21.png
6M7: Telefunken Röhrenhandbuch
Wolfgang Bauer

 
6m7-doc.png
6M7: Radiotechnique Memento tubes 10/1963
Patrice Zeissloff


Usage in Models 1= 1938?? ; 12= 1940?? ; 5= 1940? ; 8= 1940 ; 3= 1941?? ; 1= 1942?? ; 1= 1942? ; 4= 1942 ; 4= 1945?? ; 1= 1945? ; 7= 1945 ; 4= 1946?? ; 4= 1946? ; 26= 1946 ; 9= 1947?? ; 12= 1947? ; 25= 1947 ; 10= 1948?? ; 1= 1948? ; 26= 1948 ; 1= 1949?? ; 12= 1949? ; 21= 1949 ; 8= 1950?? ; 4= 1950? ; 8= 1950 ; 1= 1951? ; 7= 1951 ; 1= 1952 ; 1= 1953 ; 1= 1954 ; 2= 1955??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):231


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