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S88U; Siera; Belgien (ID = 1922206) Radio
S88U; Siera; Belgien (ID = 1922207) Radio
S88U; Siera; Belgien (ID = 1922208) Radio
S88U; Siera; Belgien (ID = 1922209) Radio
S88U; Siera; Belgien (ID = 1922210) Radio
S88U; Siera; Belgien (ID = 1922215) Radio
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S88U; Siera; Belgien (ID = 1922215) Radio
Siera; Belgien: S88U [Radio] ID = 1922215 644x528
Select picture or schematic to display from thumbnails on the right and click for download.
For model S88U, Siera; Belgien:
from Siera memento of tubes and models 1932-1946
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1941 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: ECH3 EF9 EBC3 CL4 CY1 C1 or C9
Main principle Superheterodyne (common); ZF/IF 454 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast plus 2 Short Wave bands.
Power type and voltage AC/DC-set / 110-130; 200-220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch
Power out
from Model: S88U - Siera; Belgien
Material Bakelite case
Shape Tablemodel without push buttons, Mantel/Midget/Compact up to 14
Dimensions (WHD) 350 x 230 x 180 mm / 13.8 x 9.1 x 7.1 inch

3 Band reception:

  • BC: 160 - 570 m.
  • SW1: 13,5 - 45 m.
  • SW2: 45 - 160 m.
Tuning scale light bulbs type: 8092D (10V, 200mA).
Loudspeaker Philips type 9648. No connectors for external loudspeaker or pick-up. 
Adapting to the mains voltage is done by exchanging the ballast tube, which has the selector embedded in its base connections: 110-130 Volt with a C9 and 200-220 Volt with a C1.
This model is comparable with Philips 493U without suffix "-xx".

Attention: The mains is connected to the chassis.

Net weight (2.2 lb = 1 kg) 5.9 kg / 12 lb 15.9 oz (12.996 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, 393 with images and 178 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.