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S56U; Siera; Belgien (ID = 2294626) Radio S56U; Siera; Belgien (ID = 2294627) Radio
S56U; Siera; Belgien (ID = 2294628) Radio
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S56U; Siera; Belgien (ID = 2294626) Radio
Siera; Belgien: S56U [Radio] ID = 2294626 1400x1068
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For model S56U, Siera; Belgien
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1946 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UCH21 UCH21 UBL21 UY1N
Main principle Superheterodyne (common); ZF/IF 452 kHz; 2 AF stage(s)
Tuned circuits 6 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 13 cm = 5.1 inch
Power out
from Model: S56U - Siera; Belgien
Material Bakelite case
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).
Dimensions (WHD) 210 x 170 x 140 mm / 8.3 x 6.7 x 5.5 inch
3 Band reception:
  • LW: 750 - 2000 m.
  • BC: 192 - 575 m.
  • SW: 15,5 - 51 m.
Tuning scale light bulb type: Z10 neon.
Loudspeaker Philips type 9668. No connectors for second loudspeaker or pick-up. 
This model is comparable with Philips 208U, the generic model without suffix.

Attention: chassis connected to the mains !

Net weight (2.2 lb = 1 kg) 2.7 kg / 5 lb 15.2 oz (5.947 lb)
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, 394 with images and 176 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.