• Country
• France

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

• Year
• 1935/1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 104085

• • alternative name: SED

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 75 42 80

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 22 cm = 8.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: C635 - Ducretet -Thomson; avant:

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 370 x 470 x 280 mm / 14.6 x 18.5 x 11 inch

• Notes

• 3 gammes d'ondes OC, PO et GO. Bobinages à noyau de fer.  Anti-fading. Sélectivité variable. Suppresseur de parasites.

  Ce modèle a été livrable pour secteur alternatif 25 ou 50 périodes.

• Price in first year of sale
• 1,890.00 FRF

• Mentioned in
• -- Original prospect or advert (Le Journal, 09.11.1935)

• Literature/Schematics (1)
• -- Original prospect or advert (Dépliant "révélation...")

• Literature/Schematics (2)
• -- Original-techn. papers.

• Literature/Schematics (3)
• Toute la radio (No. 20, Sept. 1935)

• 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