radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

12A8M

Information - Help 
ID = 40933
       
Country:
Canada
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tube type:  Pentagrid-Converter (Heptode) 
Identical to 12A8M
Similar Tubes
Normally replaceable-slightly different:
  12A8GT ; 12A8MT

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament
 
12a8mpix.jpg
12A8M: Rogers 12A8M Canada
John Albion

 
414_14.png
12A8M: Telefunken Röhrenhandbuch
Wolfgang Bauer

 

Usage in Models 6= 1939 ; 15= 1940 ; 1= 1941? ; 1= 1941

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23


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