• Country
• France

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

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 62647

• • alternative name: SED

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

• Number of Tubes
• 6

• Valves / Tubes
• 21TH8 6K7G 6Q7G 25L6G 25Z6 6AF7

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

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

• Power type and voltage
• AC/DC-set / 115-240 Volt

• Material
• Wooden case

• from Radiomuseum.org
• Model: D250 - Ducretet -Thomson; avant:

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

• Notes
• AC/DC version of the D50.

• External source of data
• Serge Laffont/Martin Renoth

• Source of data
• Le grand livre de la TSF

• 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