• Country
• Germany

• Manufacturer / Brand
• Fernfunk, Gesellschaft für drahtlose Telefonie mbH; Berlin

• Year
• 1928/1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 14522

• • Brand: GRB, Ges. für Radiobedarf mbH

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

• Number of Tubes
• 4

• Valves / Tubes
• RE074n RE084 RE034 RE134

• Main principle
• TRF with regeneration; 1 Special; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

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

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Multiflex Type 7 - Fernfunk, Gesellschaft für

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• elegante Eichentruhe

• Price in first year of sale
• 155.00 RM +

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Katalog Prohaska 1928/29

• Other Models

• Here you find 66 models, 41 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Fernfunk, Gesellschaft für drahtlose Telefonie mbH; Berlin