• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1929–1932

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 1121

• Number of Tubes
• 5

• Valves / Tubes
• RENS1204 REN904 REN904 RE604 RGN2004

• Main principle
• Audio-Amplification

• Power type and voltage
• Alternating Current supply (AC)

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

• from Radiomuseum.org
• Model: Ckv12a /b - Braun; Frankfurt

• Notes
• s.auch Sevecke

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• FS-Bestückungstabelle (aber Fehler)

• Other Models

• Here you find 1067 models, 936 with images and 653 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt