• Country
• France

• Manufacturer / Brand
• Ancel, Louis (Duval, Boutinon et Cie), Ella; Paris

• Year
• 1922 ??

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

• Radiomuseum.org ID
• 315560

• Number of Tubes
• 1

• Valves / Tubes
• TM

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Amplificateur BF - Ancel, Louis Duval, Boutinon

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

• Dimensions (WHD)
• 120 x 120 x 220 mm / 4.7 x 4.7 x 8.7 inch

• Net weight (2.2 lb = 1 kg)
• 0.9 kg / 1 lb 15.7 oz (1.982 lb)

• Author
• Model page created by Musée des Radios Museum. See "Data change" for further contributors.

• Other Models

• Here you find 24 models, 23 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ancel, Louis (Duval, Boutinon et Cie), Ella; Paris