- Country
- France
- Manufacturer / Brand
- Grandin & Moreau, Le TSF (T.S.F.), Le Téléphone sans Fil; Paris
- Year
- 1925 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 184582
- Number of Tubes
- 5
- Valves / Tubes
- Main principle
- TRF without regeneration
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Storage and/or dry batteries / 4 & 80 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: BS-412 - Grandin & Moreau, Le TSF T.S.F
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
This model B.S-412 has 5 tubes and it takes a 4 and 80 volts power feeding.
The condensers are round, therefore it dates from 1925 or earlier. It has a rheostat for tubes 1 and 2 and one for tubes 3 to 5. A knob above called S.P. selects from 12 different coil taps.
The set has an adjustment for sensibilité, couplage, switches for tube 1-2 or 3-5, C.P. and C.S dial, a switch for PO and GO etc. Together there are 12 knobs and switches. There is no grid leak for a power tube.
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 20 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Grandin & Moreau, Le TSF (T.S.F.), Le Téléphone sans Fil; Paris