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S22B

S22B; Siera; Belgien (ID = 571699) Radio
 
S22B; Siera; Belgien (ID = 1918964) Radio
 
S22B; Siera; Belgien (ID = 1918965) Radio
 
S22B; Siera; Belgien (ID = 1918966) Radio
 
S22B; Siera; Belgien (ID = 1918967) Radio
 
S22B; Siera; Belgien (ID = 1918968) Radio
S22B; Siera; Belgien (ID = 483928) Radio S22B; Siera; Belgien (ID = 483930) Radio
S22B; Siera; Belgien (ID = 576413) Radio S22B; Siera; Belgien (ID = 483925) Radio
S22B; Siera; Belgien (ID = 483929) Radio S22B; Siera; Belgien (ID = 483933) Radio
S22B; Siera; Belgien (ID = 570163) Radio
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S22B; Siera; Belgien (ID = 483928) Radio
Siera; Belgien: S22B [Radio] ID = 483928 753x524
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For model S22B, Siera; Belgien:
Kaunas Lithuania
 
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1939/1940 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: KCH1 KF4 KB2 KL5
Main principle Superheterodyne (common); ZF/IF 128 kHz; 2 AF stage(s); Reflex
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage Storage and/or dry batteries / 2 & 135 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch
Power out
from Radiomuseum.org Model: S22B - Siera; Belgien
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 500 x 265 x 182 mm / 19.7 x 10.4 x 7.2 inch
Notes
3 Band reception:
  • LW: 708 - 2000 m.
  • BC: 198 - 585 m.
  • SW: 16,8- 51 m.
Tuning scale light bulbs type: 8017D (2V, 210mA).
Loudspeaker Philips type 9614. Connectors for second loudspeaker and for pick-up.  There is a switch to reduce power consumption.
 
This model is comparable with Philips 629B, Philips 631BNSF H112B, Radiola RA21B and Waldorp 112

The anode supply (B+) is defined by Siera at 135 Volt, where for the Philips 628B the  B+ battery voltage is 144 Volt. Also Cortenberghe defines the B+  at 144 Volt.

Net weight (2.2 lb = 1 kg) 8.2 kg / 18 lb 1 oz (18.062 lb)
Price in first year of sale 1'995.00 BEF
Source of data Technisch- Commercieel - Radio Vademecum Staleman
Mentioned in - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)
Literature/Schematics (1) -- Original-techn. papers.

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 176 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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