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S8U; Siera; Belgien (ID = 1913400) Radio
S8U; Siera; Belgien (ID = 1913402) Radio
S8U; Siera; Belgien (ID = 1913403) Radio
S8U; Siera; Belgien (ID = 1913404) Radio
S8U; Siera; Belgien (ID = 1913405) Radio
S8U; Siera; Belgien (ID = 1913406) Radio
S8U; Siera; Belgien (ID = 1024670) Radio
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S8U; Siera; Belgien (ID = 1024670) Radio
Siera; Belgien: S8U [Radio] ID = 1024670 513x604
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For model S8U, Siera; Belgien:
Bild aus Siera-Vademecum.
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1936 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: EK2 EF5 EBC3 EL3 EM1 EZ3
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 AC/DC-set / 110-240 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 26 cm = 10.2 inch
Power out
from Model: S8U - Siera; Belgien
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Dimensions (WHD) 430 x 550 x 270 mm / 16.9 x 21.7 x 10.6 inch
3 Band reception:
  • LW: 725 - 1975 m.
  • BC: 198 - 585 m.
  • SW: 16 - 51 m.
Tuning scale light bulbs type: 6 x 8045 (6,3V, 320mA).
Loudspeaker Philips type 9604. Connectors for second loudspeaker and for pick-up. 
Variable selectivity, delayed anti-fading. 
Cabinet in varnished walnut.
The Siera memento 1932-1946 mentions the same tube line-up for types S8A and S8U. When fed by a DC mains, the power must pass via vibrator converter and not directly into the radio as usual with a AC/DC set.
Net weight (2.2 lb = 1 kg) 17.2 kg / 37 lb 14.2 oz (37.885 lb)
Price in first year of sale 3'700.00 BFr
Mentioned in - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)

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.