• Country
• Austria

• Manufacturer / Brand
• Telefunken; Wien

• Year
• 1925

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 10863

• Number of Tubes
• 3

• Valves / Tubes

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

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: HF-Verstärker Rap-3a - Telefunken; Wien

• Price in first year of sale
• 330.00 öS

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 109 models, 95 with images and 80 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken; Wien