radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

6A7M

Information - Help 
ID = 32304
       
Country:
Canada
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old)   Controlling (mu) 
Identical to 6A7M
Similar Tubes
Other shape (e.g. bulb type):
  6A8G
First Source (s)
Jun.1936 : Electron Tube Registration List

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Description like a 6A8G with metal spray shield 
Literature - - -   
Taschenbuch zum Röhren-Codex 1948/49   
- - -
- - -
 
6a7m_so.png
6A7M: ARRL Handbook 1972
Michael Schlör

 
rogersdata1.png
6A7M: own collection
Peter den Boer


Usage in Models 1= 1934 ; 1= 1935? ; 40= 1935 ; 4= 1936? ; 32= 1936 ; 53= 1937 ; 2= 1938? ; 5= 1938 ; 3= 1939? ; 9= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):150

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg