• Country
• France

• Manufacturer / Brand
• La Radio-Industrie (RI); Paris

• Year
• 1923 ?

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

• Radiomuseum.org ID
• 291796

• Number of Tubes
• 2

• Valves / Tubes
• TM TM

• Main principle
• Audio-Amplification; 2 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 BF à 2 lampes [avec rhéostat] - La Radio-Industrie RI; Paris

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

• Dimensions (WHD)
• 240 x 200 x 165 mm / 9.4 x 7.9 x 6.5 inch

• Net weight (2.2 lb = 1 kg)
• 1.3 kg / 2 lb 13.8 oz (2.863 lb)

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

• Other Models

• Here you find 42 models, 19 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from La Radio-Industrie (RI); Paris