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S229B; Siera; Belgien (ID = 1186640) Radio S229B; Siera; Belgien (ID = 1186641) Radio
S229B; Siera; Belgien (ID = 1186642) Radio S229B; Siera; Belgien (ID = 1186643) Radio
S229B; Siera; Belgien (ID = 1186644) Radio S229B; Siera; Belgien (ID = 1186646) Radio
S229B; Siera; Belgien (ID = 1186651) Radio S229B; Siera; Belgien (ID = 1186654) Radio
S229B; Siera; Belgien (ID = 1186655) Radio
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S229B; Siera; Belgien (ID = 1186640) Radio
Siera; Belgien: S229B [Radio] ID = 1186640 933x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model S229B, Siera; Belgien
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1948 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: DK32 DF33 DAC32 DF33 DL33 DL33
Main principle Superheterodyne (common); ZF/IF 470 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Power type and voltage Storage and/or dry batteries / 1,5 or 2 & 90-120 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Model: S229B - Siera; Belgien
Material Bakelite case
Shape Tablemodel, low profile (big size).

Important: In case of filament supply with a 2 Volt storage battery, the connector with the 1,7Ω resistor must be used. See technical manual with equivalent Philips BG474B.


Model page created by Patrick Marinus. See "Data change" for further contributors.

All listed radios etc. from Siera; Belgien
Here you find 435 models, 394 with images and 178 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.