• Country
• Finland

• Manufacturer / Brand
• Ruusuvaara, Helsinki

• Year
• 1941 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 228982

• Number of Tubes
• 4

• Valves / Tubes
• KF3 KF4 KBC1 KL4

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 2 & ? Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: AVU 41 - Ruusuvaara, Helsinki

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 490 x 297 x 190 mm / 19.3 x 11.7 x 7.5 inch

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

• Other Models

• Here you find 9 models, 8 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ruusuvaara, Helsinki