• 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
• 62579

• • alternative name: SED

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

• Number of Tubes
• 7

• Valves / Tubes
• 58 56 58 58 55 47 80

• Main principle
• Superhet with RF-stage

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 95-270 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: C70 - Ducretet -Thomson; avant:

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

• Dimensions (WHD)
• 332 x 448 x 262 mm / 13.1 x 17.6 x 10.3 inch

• Notes

• 2 gammes d'ondes PO et GO. Réglage silencieux à lecture directe. Antifading. HP dynamique Thomson.

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

• Price in first year of sale
• 2,725.00 FRF

• External source of data
• Serge Laffont/Martin Renoth

• Mentioned in
• -- Original prospect or advert (L'Ouest Éclair, 22.10.1933)

• Literature/Schematics (1)
• Schémathèque Toute la Radio (STR) (No. 282)

• Literature/Schematics (2)
• -- Original prospect or advert (La Ttribune Juive, 24.11.1933)

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

• Other Models

• Here you find 657 models, 523 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