• Country
• France

• Manufacturer / Brand
• SIF (S.I.F.), Société Indépendante de Télégraphie sans Fil; Paris, Malakoff

• Year
• 1922 ??

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 173546

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries / 4 & 80 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Amplificateur BF ACH - SIF S.I.F., Société

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 320 x 180 x 155 mm / 12.6 x 7.1 x 6.1 inch

• Net weight (2.2 lb = 1 kg)
• 4.5 kg / 9 lb 14.6 oz (9.912 lb)

• Author
• Model page created by Helmut Schrammel. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 17 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SIF (S.I.F.), Société Indépendante de Télégraphie sans Fil; Paris, Malakoff