• Country
• Denmark

• Manufacturer / Brand
• Dynafon; København / Copenhagen

• Year
• 1931 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 281813

• Number of Tubes
• 2

• Valves / Tubes
• B409 A410

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

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Direct Current supply (DC) / 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 18 cm = 7.1 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Type 4 - Dynafon; København /

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 340 x 400 x 200 mm / 13.4 x 15.7 x 7.9 inch

• Notes

• Input for gramophone.

• Net weight (2.2 lb = 1 kg)
• 16 kg / 35 lb 3.9 oz (35.242 lb)

• Author
• Model page created by Giuseppe Di Filippo. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dynafon; København / Copenhagen