Ondolina 432A3 MPT4
SBR Société Belge Radio-Electrique, Bruxelles
- Country
- Belgium
- Manufacturer / Brand
- SBR Société Belge Radio-Electrique, Bruxelles
- Year
- 1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 229030
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown); Anode bend detection
- Tuned circuits
- 3 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Alternating Current supply (AC) / 110; 130; 140; 220; 240 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Ondolina 432A3 [MPT4] - SBR Société Belge Radio-
- Shape
- Console, Lowboy (legs < 50 %).
- Notes
-
- There are 2 generations with different tubes: see model with PT4 tube.
- In the schematic, and in some but not all radios, there is a feedback with a twisted wire capacitor which may have been intended as a neutralisation feedback.
- SBR produced the following models 432:
- 432x1: table model without loudspeaker;
- 432x2: table model with loudspeaker;
- 432x3: luxury console;
- 432x4: luxury console with pick-up;
where 'x' represents 'A' (AC mains) or 'C' (DC mains, 220V).
- Price in first year of sale
- 4,800.00 BFr
- Author
- Model page created by Dirk Bladt. See "Data change" for further contributors.
- Other Models
-
Here you find 718 models, 666 with images and 391 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from SBR Société Belge Radio-Electrique, Bruxelles