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CF4; Ducretet -Thomson; (ID = 2075919) Radio
CF4; Ducretet -Thomson; (ID = 2221486) Radio
CF4; Ducretet -Thomson; (ID = 409285) Radio CF4; Ducretet -Thomson; (ID = 409286) Radio
CF4; Ducretet -Thomson; (ID = 409287) Radio CF4; Ducretet -Thomson; (ID = 438544) Radio
CF4; Ducretet -Thomson; (ID = 438547) Radio CF4; Ducretet -Thomson; (ID = 438548) Radio
CF4; Ducretet -Thomson; (ID = 1037578) Radio CF4; Ducretet -Thomson; (ID = 1037579) Radio
CF4; Ducretet -Thomson; (ID = 1037580) Radio CF4; Ducretet -Thomson; (ID = 1037581) Radio
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CF4; Ducretet -Thomson; (ID = 409285) Radio
Ducretet -Thomson;: CF4 [Radio] ID = 409285 482x325
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For model CF4, Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris:
From auction website Marktplaats.
Country:  France
Manufacturer / Brand:  Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris
alternative name
Year: 1930/1931 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: DW1B_7pin DW6 DW1508 R80 V80
Semiconductors (the count is only for transistors) unknown_ballast
Main principle Superheterodyne (common)
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage Alternating Current supply (AC) / 110; 150; 220 Volt
Loudspeaker - This model requires external speaker(s).
Power out
from Model: CF4 - Ducretet -Thomson; avant:
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Dimensions (WHD) 460 x 245 x 295 mm / 18.1 x 9.6 x 11.6 inch

Appareil prévu pour réception sur cadre. Utilise une lampe régulatrice 0.55 A, 20/75 V.

Même caractéristiques techniques que modèle CM4, sauf la liaison MF utilise un couplage à résonance (CM4 : par transformateur).

Prix sans lampes, prix pour l'installation complète à partir de 3875 Fr.

Net weight (2.2 lb = 1 kg) 12.5 kg / 27 lb 8.5 oz (27.533 lb)
Price in first year of sale 2'350.00 FRF
Mentioned in -- Original prospect or advert (Le Journal, 14.01.1931)
Literature/Schematics (1) -- Original-techn. papers.

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

All listed radios etc. from Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris
Here you find 617 models, 472 with images and 255 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.