• Country
• France

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

• Year
• 1934–1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 106052

• • alternative name: SED

• Number of Tubes
• 4

• Valves / Tubes
• 6D6 6F7 42 80

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

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

• Power type and voltage
• Alternating Current supply (AC) / 90-260 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: R504 - Ducretet -Thomson; avant:

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

• Dimensions (WHD)
• 320 x 390 x 210 mm / 12.6 x 15.4 x 8.3 inch

• Notes

• Anti-fading. HP électrodynamique Thomson.

  Ébénistereie en noyer.

• Price in first year of sale
• 950.00 FRF

• Mentioned in
• -- Original prospect or advert (Le Journal, 27.12.1934 + 28.01.1935)

• Literature/Schematics (1)
• Toute la radio (No 20, Sept. 1935)

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 656 models, 521 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