• Country
• Finland

• Manufacturer / Brand
• Opera, Oy Otto Brandt Ab; Helsinki

• Year
• 1945

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 206774

• Main principle
• Superheterodyne (common); ZF/IF 555 kHz

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• AC/DC-set

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 665Y - Opera, Oy Otto Brandt Ab;

• Shape
• Tablemodel, with any shape - general.

• Author
• Model page created by Timo Rantasaari. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Opera, Oy Otto Brandt Ab; Helsinki