• Country
• Finland

• Manufacturer / Brand
• Wattram, Helsinki

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 209469

• Number of Tubes
• 4

• Valves / Tubes
• 1A7G 1N5G 1H5G 1C5G

• Main principle
• Superheterodyne (common); ZF/IF 475 kHz

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

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

• Loudspeaker
• -Loudspeaker incorporated, but system not known. / Ø 21 cm = 8.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super 4P10 - Wattram, Helsinki

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

• Dimensions (WHD)
• 412 x 300 x 235 mm / 16.2 x 11.8 x 9.3 inch

• Notes
• Alternative tubes can be: DK21, DF21, DAC21, DL21

• 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