• Country
• France

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

• Year
• 1945

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 68607

• • alternative name: SED

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

• Number of Tubes
• 6

• Valves / Tubes
• 6E8 6M7 6H8 6V6 6AF7 5Y3GB

• Main principle
• Superheterodyne (common); ZF/IF 472 kHz

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110; 130; 150; 220; 250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: D537 - Ducretet -Thomson; avant:

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 570 x 380 x 360 mm / 22.4 x 15 x 14.2 inch

• Notes

• 5 gammes d'ondes :
  GO = 940 - 1970 m
  PO = 187.5 - 576 m
  OC1 = 13.6 - 18.6 m
  OC2 = 18.8 - 30.3 m
  OC3 = 29.1 - 51.3 m

  Cadran à tambour. Sélectivité variable de 4 à 12 kHz. Commutateur de tonalité 4 positions.

  Modèle special pour 25 périodes.

• External source of data
• Serge Laffont/Martin Renoth

• Mentioned in
• Schémathèque Toute la Radio (STR) (No. 615)

• Literature/Schematics (1)
• Toute la radio (No 116, Juin 1947)

• 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