• Country
• Finland

• Manufacturer / Brand
• Voima, Helsinki

• Year
• 1973 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 124271

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

• Number of Tubes
• 7

• Valves / Tubes
• ECC85 ECC85 ECC85 EL34 EL34 EL34 EL34

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 100 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Voima R-100 - Voima, Helsinki

• Dimensions (WHD)
• 390 x 315 x 215 mm / 15.4 x 12.4 x 8.5 inch

• Notes

• Manufactured according to Finnish patents 27332&33483. Class "B" PPP amplifier.
  Hum level better than -76dB. Measurements are done psofometrically according to RIS-norms. TIM-distortion eliminated

• Net weight (2.2 lb = 1 kg)
• 18 kg / 39 lb 10.4 oz (39.648 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Ilkka Nieminen. 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