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S50U

S50U; Siera; Belgien (ID = 497373) Radio
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S50U; Siera; Belgien (ID = 2620912) Radio
Siera; Belgien: S50U [Radio] ID = 2620912 1400x799
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For model S50U, Siera; Belgien:
Restauration terminée
 
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1938/1939 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: EK2 EF9 CBL1 CY1 C1 or C9
Main principle Superheterodyne (common); ZF/IF 128 kHz; 1 AF stage(s)
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:
  • LW: 708 - 2000 m.
  • BC: 198 - 585 m.
  • SW: 16,7 - 51 m.
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.




  
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