• Country
• Finland

• Manufacturer / Brand
• Airam, Oy, AB; Helsinki

• Year
• 1949 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 210957

• Wave bands
• - without

• Power type and voltage
• Is a battery or storage battery / 90 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Lp4-90V - Airam, Oy, AB; Helsinki

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

• Other Models

• Here you find 32 models, 15 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Airam, Oy, AB; Helsinki