S53A
Siera; Belgien
- Country
- Belgium
- Manufacturer / Brand
- Siera; Belgien
- Year
- 1938/1939
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 97134
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superheterodyne (common); ZF/IF 128 kHz; 2 AF stage(s)
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch
- Material
- Wooden case
- from Radiomuseum.org
- Model: S53A - Siera; Belgien
- Shape
- Tablemodel with Push Buttons.
- Dimensions (WHD)
- 535 x 355 x 230 mm / 21.1 x 14 x 9.1 inch
- Notes
-
3 Band reception:
- LW: 720 - 2000 m.
- BC: 195 - 585 m.
- SW: 16,7 - 51 m.
Tuning scale light bulbs type: 3 x 8045 (6,3V, 320mA). The booklet "Siera memento of tubes and models 1932-1946" mentions 3 light bulbs for this radio, where the schematic and Staleman mentions only 2.Some other properties:- Loudspeaker Philips type 9602, having an extra cone to reduce the beaming effect at high frequencies.
- Connectors for second loudspeaker and for pick-up.
- Variable selectivity coupled to the tone control.
- Eight preselection buttons and manual tuning.
- AF feedback circuitry to reduce distortion.
This model is comparable with Philips 750A and Jura 53A .This model can be upgraded to an AC/DC set (see type S53U) by incorporating a vibrator (Price: 250 BEF).
- Net weight (2.2 lb = 1 kg)
- 15.6 kg / 34 lb 5.8 oz (34.361 lb)
- Price in first year of sale
- 2,750.00 BEF
- Source of data
- Technisch- Commercieel - Radio Vademecum Staleman
- Mentioned in
- - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)
- Literature/Schematics (1)
- -- Original-techn. papers.
- Author
- Model page created by John Koster. See "Data change" for further contributors.
- Other Models
-
Here you find 453 models, 414 with images and 181 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Siera; Belgien