• Country
• Denmark

• Manufacturer / Brand
• Johnsen, Wilhelm; Kopenhagen

• Year
• 1933 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 339102

• • Brand: Always; Kopenhagen

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

• Number of Tubes
• 4

• Valves / Tubes
• E438 E438 L413 or L416D 506

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 127; 220; 235 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 14 cm = 5.5 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Always Unknown - Johnsen, Wilhelm; Kopenhagen

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

• Dimensions (WHD)
• 360 x 330 x 195 mm / 14.2 x 13 x 7.7 inch

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 14 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Johnsen, Wilhelm; Kopenhagen