• Country
• France

• Manufacturer / Brand
• Charron, Bellanger et Duchamp (DFA CB, D.F.A. C.B.); Paris

• Year
• 1920 ?

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

• Radiomuseum.org ID
• 263647

• Number of Tubes
• 1

• Valves / Tubes
• TM

• Main principle
• Audio-Amplification

• 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 BF à 1 lampe extérieure 3110 - Charron, Bellanger et Duchamp

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

• Dimensions (WHD)
• 120 x 130 x 120 mm / 4.7 x 5.1 x 4.7 inch

• Notes

• Audio amplifier.

  Hauteur du module sans tube !

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

• Literature/Schematics (1)
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 128)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 24 models, 14 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Charron, Bellanger et Duchamp (DFA CB, D.F.A. C.B.); Paris