• Country
• France

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

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 33877

• • alternative name: SED

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

• Number of Tubes
• 5

• Valves / Tubes
• 2A7 58 2B7 2A5 80

• Main principle
• Superheterodyne (common); ZF/IF 120 kHz

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

• Power type and voltage
• Alternating Current supply (AC) / 100-125; 120-140; 137-160; 205-245; 225-260 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: C50B - Ducretet -Thomson; avant:

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

• Notes

• 2 gammes d'ondes PO et GO. Fonctionne sur antenne. Antifading non retardé, réglage à lecture directe. HP électro-dynamique Thomson. Prises pick-up et HP supplémentaire.

  Voir aussi modèle C50.

  Ce modèle dèjá sorti à la fin de 1933; le Schémathèque mentionne 1935 ce qui est erroné.

• Price in first year of sale
• 2,150.00 FRF

• External source of data
• Serge Laffont/Martin Renoth

• Mentioned in
• -- Original prospect or advert (L'Echo d'Alger, 29.11.1933)

• Literature/Schematics (1)
• Schémathèque Toute la Radio (STR) (No. 49, 51, année 1935)

• Literature/Schematics (2)
• -- Original prospect or advert

• Literature/Schematics (3)
• Radio & Phono Matériel, No. 95, Mai 1934

• Other Models

• Here you find 655 models, 518 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