• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1146

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

• Number of Tubes
• 4

• Valves / Tubes
• RENS1204 RENS1204 RES164 or RES374 RGN564

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

• Tuned circuits
• 2 AM circuit(s)

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

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Cosmophon 777C - Braun; Frankfurt

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Notes

• Ch= Cosmophon 333W und 444W

  Siehe auch Carl Sevecke, Frankfurt a.M.-Höchst, Cosmophon 777C

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Other Models

• Here you find 1061 models, 931 with images and 652 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt