S50U
Siera; Belgien: S50U [Radio] ID = 2620912 1400x799
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1938/1939 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 4: EK2 EF9 CBL1 CY1 C1 or C9 |
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| Main principle | Superheterodyne (common); ZF/IF 128 kHz; 1 AF stage(s) |
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| Tuned circuits | 7 AM circuit(s) |
| Wave bands | Broadcast, Long Wave and Short Wave. |
| Details | |
| Power type and voltage | AC/DC-set / 110-125; 200-225 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch |
| Power out | |
| from Radiomuseum.org | Model: S50U - Siera; Belgien |
| Material | Bakelite case |
| Shape | Tablemodel, low profile (big size). |
| Dimensions (WHD) | 510 x 290 x 235 mm / 20.1 x 11.4 x 9.3 inch |
| Notes |
3 Band reception:
Tuning scale light bulb type: 8092 (10V, 200mA).
Loudspeaker Philips type 9636. Tone control. Current regulator C1 used for 200 - 225 V mains, C9 used for 110 - 130 V mains.
As opposed to model S50A, this radio has no connectors for an external speaker or for pick-up.
This model is comparable with Philips 470U.
The original folder specifies DC mains supply for S50U, while the configuration is suitable for operation on AC/DC mains. Attention: chassis connected to the mains ! |
| Net weight (2.2 lb = 1 kg) | 9.7 kg / 21 lb 5.9 oz (21.366 lb) |
| Price in first year of sale | 1'410.00 BFR |
| Mentioned in | - - Manufacturers Literature (Siera memento of tubes and models 1932-1946) |
| Literature/Schematics (1) | -- Original prospect or advert (Siera Radio Modèles 1939) |
| Literature/Schematics (2) | -- Schematic (Philips 470U) |
Model page created by John Koster. See "Data change" for further contributors.
All listed radios etc. from Siera; Belgien
Here you find 434 models, 393 with images and 178 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
