Radio-Modulateur Bigrille RM7 1 instrument
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
- 1925/1926
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 72489
-
- alternative name: SED
Collection privée (réf.: 7, 249, 269)
From an original catalogue.
Ducretet Print Advertise 1926
Collection privée (réf.: 7, 249, 269)
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superhet, IF regeneration
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Storage and/or dry batteries / 120 & 80 & 40 & 4 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Radio-Modulateur Bigrille RM7 [1 instrument] - Ducretet -Thomson; avant:
- Shape
- Tablemodel, low profile (big size).
- Dimensions (WHD)
- 540 x 425 x 340 mm / 21.3 x 16.7 x 13.4 inch
- Notes
-
Tube HF - changement de fréquence par bigrille
- Net weight (2.2 lb = 1 kg)
- 19 kg / 41 lb 13.6 oz (41.85 lb)
- Price in first year of sale
- 3,550.00 Ffr.
- Mentioned in
- Ducretet les années 20 (pages 138 - 139)
- Literature/Schematics (2)
- Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 157)
- Author
- Model page created by Jean Claude Pigeon † 2008. See "Data change" for further contributors.
- Other Models
-
Here you find 658 models, 525 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
Collections
The model Radio-Modulateur Bigrille is part of the collections of the following members.