• Country
• Finland

• Manufacturer / Brand
• Voima, Helsinki

• Year
• 1966 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 123570

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 7

• Valves / Tubes
• ECC808 ECC85 ECC85 EL84 EL84 EL84 EL84

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220; 240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 40 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 405 - Voima, Helsinki

• Dimensions (WHD)
• 390 x 190 x 250 mm / 15.4 x 7.5 x 9.8 inch

• Notes
• One microphone input on front panel

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• External source of data
• Ilkka Nieminen, Helsinki

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 8 models, 5 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Voima, Helsinki