• Country
• Germany

• Manufacturer / Brand
• Unionfunk; Berlin

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 296288

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

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• TRF without regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 4 & 50 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: E1 - Unionfunk; Berlin

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 175 x 100 x 175 mm / 6.9 x 3.9 x 6.9 inch

• Notes

• Empfangsbereich 250 - 700 m (Frühjahr 1925, vor Wellenbereichs-Freigabe)

• Net weight (2.2 lb = 1 kg)
• 1.1 kg / 2 lb 6.8 oz (2.423 lb)

• Author
• Model page created by Herbert Börner. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unionfunk; Berlin