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History of the manufacturer  

Opera, Oy Otto Brandt Ab; Helsinki

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Name: Opera, Oy Otto Brandt Ab; Helsinki    (FIN)  
Abbreviation: opera
Products: Model types
Summary:

Opera, Oy Otto Brandt AB; Helsinki.

History:

This manufacturer was suggested by Timo Rantasaari.


Some models:
Country Year Name 1st Tube Notes
FIN  46 666V ECH21   
FIN  48 649V ECH21  Dial lamps: 2x 6,3V / 0,3A 
FIN  45 665Y    
FIN  46 Opera 666YR 7SJ8G  Dial lamps: 2x 6,3V / 0,3A 

[rmxhdet-en]

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

Ottp Brandt Oy - Radio 12/1944tbn_fin_otto_brandt_oy__radio_12_1944.jpg

  
rmXorg