Please click your language flag. Bitte Sprachflagge klicken.

History of the manufacturer  

Superfon; Helsinki

As a member you can upload pictures (but not single models please) and add text.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
Name: Superfon; Helsinki    (FIN)  
alternative name:
Oy Radio-Aitta Ab,
Abbreviation: superfon
Products: Model types Others

Superfone, brand name used by Oy Radio-Aitta Ab, Helsinki. Founded by Karl Emil Cedergren in 1933. Radio production from 1945 on.

Founded: 1933
Closed: 1963
Production: 1945 - 1958

This manufacturer was suggested by Lasse Nirhamo.

Some models:
Country Year Name 1st Tube Notes
FIN  48 Portable [Octal tubes] DK21  Portable Superfon 
FIN  49 Superfon-49/TV UF21  Superfon-49/TV has output for an external speaker. 
FIN  50 AR/50 EF42  There are different sets of tubes used in these models and different circuits too. Dime... 
FIN  52 V/52 [W-5247] ECH42   
FIN  50 50    
FIN  48 48    
FIN  50 Portable [Rimlock tubes] DK40   
FIN  49 49 DK21   
FIN  50 Unknown portable DK40   


Further details for this manufacturer by the members (rmfiorg):

Superfon advertisement from Radio-magazine 8/1951tbn_fin_superfon__radio_8_1951.jpg


Data Compliance More Information