- Country
- France
- Manufacturer / Brand
- Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris
- Year
- 1931
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 267912
-
- alternative name: SED
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Number of Transistors
- Semiconductors
- unknown_ballast
- Main principle
- Superheterodyne (common)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Magnetic loudspeaker (reed) generic.
- Material
- Wooden case
- from Radiomuseum.org
- Model: CM4 - Ducretet -Thomson; avant:
- Shape
- Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
- Dimensions (WHD)
- 480 x 515 x 245 mm / 18.9 x 20.3 x 9.6 inch
- Notes
-
Appareil prévu pour réception sur cadre. Utilise une lampe régulatrice 0.55 A, 20/75 V.
À noter : la documentation technique Ducretet la plus récente mentionne lampes R80 et V80, tandis que le dépliant du modèle mentionne lampes DX3 et KD 03-80 B respectivement.
Prix sans lampes.
Même caractéristiques que modèle CF4, sauf la liaison MF utilise un couplage par transformateur (CF4 : à résonance).
- Net weight (2.2 lb = 1 kg)
- 16 kg / 35 lb 3.9 oz (35.242 lb)
- Price in first year of sale
- 2,500.00 FRF
- Mentioned in
- -- Original prospect or advert (Dépliant 'écoutez...')
- Literature/Schematics (1)
- -- Original-techn. papers.
- Author
- Model page created by Manfred Rathgeb. See "Data change" for further contributors.
- 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