• Country
• Germany

• Manufacturer / Brand
• Kramolin; München und Berlin (AG bis 1925, dann & Co. GmbH)

• Year
• 1924/1925

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 15484

• Number of Tubes
• 1

• Valves / Tubes

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Vorkreis - Kramolin; München und Berlin

• Notes
• für Steckspule = zu Einh.Empf.

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Radio-Umschau (RU, 68) (2408)

• Other Models

• Here you find 47 models, 39 with images and 13 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kramolin; München und Berlin (AG bis 1925, dann & Co. GmbH)