• Country
• France

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

• Year
• 1923

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 85684

• Number of Tubes
• 4

• Valves / Tubes
• TM TM TM TM

• Main principle
• TRF with regeneration

• Wave bands
• Broadcast (MW) and Long Wave.

• 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: Appareil à 4 lampes a Résonance - La Radio-Industrie RI; Paris

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

• Dimensions (WHD)
• 430 x 220 x 240 mm / 16.9 x 8.7 x 9.4 inch

• Notes

• Réception des ondes de 150 à 4000 m. Montage à réseonance.

• Net weight (2.2 lb = 1 kg)
• 4.8 kg / 10 lb 9.2 oz (10.573 lb)

• Price in first year of sale
• 780.00 FRF

• Mentioned in
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. II (page 284 figure 1172)

• Literature/Schematics (1)
• -- Original prospect or advert (La Science et la Vie, Dec. 1923)

• Author
• Model page created by Ernst Erb. 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