• Country
• France

• Manufacturer / Brand
• SFR (S.F.R.) - Société Française Radio-Électrique; Paris

• Year
• 1920 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 233736

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Audio-Amplification; 1 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries / 4 & 40 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Amplificateur telephonique / Telefonverstärker - SFR S.F.R. - Société Française

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 90 x 190 x 80 mm / 3.5 x 7.5 x 3.1 inch

• Author
• Model page created by Christophe Howald. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 20 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SFR (S.F.R.) - Société Française Radio-Électrique; Paris