Radiomodulateur Bigrille BRC7 meuble, console
Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris
- Country
 - France
 
- Manufacturer / Brand
 - Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris
 
- Year
 - 1926/1927
 
- Category
 - Broadcast Receiver - or past WW2 Tuner
 
- Radiomuseum.org ID
 - 230707
 
- 
        
- alternative name: SED
 
 
- Number of Tubes
 - 7
 
- Valves / Tubes
 
- Main principle
 - Superheterodyne (common)
 
- Wave bands
 - Broadcast (MW) and Long Wave.
 
- Power type and voltage
 - Storage and/or dry batteries
 
- Loudspeaker
 - - This model requires external speaker(s).
 
- Material
 - Wooden case
 
- from Radiomuseum.org
 - Model: Radiomodulateur Bigrille BRC7 [meuble, console] - Ducretet -Thomson; avant:
 
- Shape
 - Console with any shape - in general
 
- Notes
 - 
        
TSF Antique calls the table vertion wrongly RM7 which is seen at fig.47!
1 Lampe de couplage, 1 bigrille, 2 IF valves, 1 detector, 2 LF valves. One Voltmeter. Can be operated on 5, 6 or 7 valves. Reception by frame antenna. Black aluminium front.Several versions with or without makers label or switch (red knob).
 
- Source of data
 - -- Original prospect or advert
 
- Mentioned in
 - TSF Antique 1921 à 1927 (table version: fig.48 but wrong name RM7.)
 
- Literature/Schematics (2)
 - Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 159)
 
- Author
 - Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
 
- Other Models
 - 
        
Here you find 658 models, 528 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