Modèle spécial (Modele special) Changeur de fréquence

Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris

  • Year
  • 1927
  • Category
  • Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
  • Radiomuseum.org ID
  • 111399
    • alternative name: SED

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • R43
  • Main principle
  • RF Converter/Adapter (not voltage converter)
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 25 & 40 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Modèle spécial Changeur de fréquence - Ducretet -Thomson; avant:
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 245 x 120 x 160 mm / 9.6 x 4.7 x 6.3 inch
  • Notes
  • Successor of CF1 , but also covering SW down to 10 meters.
    Official name: Modèle spécial pour réception de très courtes longeurs d'onde (jusqu'à 10 mètres). 1 Bigrille. Price does not include bigrille.
  • Net weight (2.2 lb = 1 kg)
  • 2.3 kg / 5 lb 1.1 oz (5.066 lb)
  • Price in first year of sale
  • 650.00 FFr
  • Source of data
  • -- Original prospect or advert
  • Author
  • Model page created by John Koster. See "Data change" for further contributors.

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The model Modèle spécial (Modele special) is part of the collections of the following members.

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