• Country
• France

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

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 63076

• • alternative name: SED

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6B7 6C6 42 80

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

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 115; 130; 210; 230 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 14 cm = 5.5 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: C725 [détectrice 6C6] - Ducretet -Thomson; avant:

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

• Dimensions (WHD)
• 340 x 445 x 225 mm / 13.4 x 17.5 x 8.9 inch

• Notes

• 2 gammes d'ondes : PO de 1500 à 550 kHz, et GO de 350 à 150 kHz. Contrôle de tonalité.

• Price in first year of sale
• 1,100.00 FRF

• External source of data
• Serge Laffont/Martin Renoth

• Mentioned in
• -- Original prospect or advert (Le Journal, 06.09.1936)

• Literature/Schematics (1)
• Schémathèque Toute la Radio (STR) (No. 20)

• Literature/Schematics (2)
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 162)

• 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