• Country
• France

• Manufacturer / Brand
• Radiola (marque)

• Year
• 1922/1923

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 17731

• • Brand: SFER

• Number of Tubes
• 2

• Valves / Tubes

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: NF-Verstärker 2 Rö - Radiola marque

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

• Other Models

• Here you find 850 models, 559 with images and 275 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radiola (marque)