• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1929–1932

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 1122

• Number of Tubes
• 4

• Valves / Tubes
• REN1004 REN1004 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: CKV12d /c /e - Braun; Frankfurt

• Notes

• Siehe auch Sevecke CKV12C.

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• 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