• Country
• Finland

• Manufacturer / Brand
• Wattram, Helsinki

• Year
• 1940 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 296249

• Number of Tubes
• 4

• Valves / Tubes
• DK21 DF21 DAC21 DL21

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ilmatar Super 4P9 - Wattram, Helsinki

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 411 x 302 x 250 mm / 16.2 x 11.9 x 9.8 inch

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

• Other Models

• Here you find 8 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wattram, Helsinki