• Country
• France

• Manufacturer / Brand
• Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris

• Year
• 1926

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 93148

• • alternative name: SED

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• R15 R15 R15 R15

• Main principle
• TRF with regeneration

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 120 & 80 & 4 & -4,5 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Poste à Autotransformateurs A4 - Ducretet -Thomson; avant:

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

• Dimensions (WHD)
• 380 x 340 x 300 mm / 15 x 13.4 x 11.8 inch

• Notes
• Voir aussi le modèle A4 sans réglage "Complement d'Accord".
  Bobines "Auto-Transformateur" pour PO et GO commutables.
  
  Prix 1250 fr. sans lampes.

• Net weight (2.2 lb = 1 kg)
• 8.9 kg / 19 lb 9.7 oz (19.604 lb)

• Price in first year of sale
• 1,250.00 FRF

• Source of data
• - - Data from my own collection

• Mentioned in
• Publicité 1926

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 657 models, 522 with images and 286 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris