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S425U

S425U; Siera; Belgien (ID = 1197546) Radio S425U; Siera; Belgien (ID = 1197547) Radio
S425U; Siera; Belgien (ID = 1197548) Radio S425U; Siera; Belgien (ID = 1197549) Radio
S425U; Siera; Belgien (ID = 1197550) Radio S425U; Siera; Belgien (ID = 1197551) Radio
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S425U; Siera; Belgien (ID = 1197546) Radio
Siera; Belgien: S425U [Radio] ID = 1197546 933x688
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For model S425U, Siera; Belgien
 
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1945 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UCH4 UF9 UBL1 UY1N
Main principle Superheterodyne (common); ZF/IF 452 kHz; 1 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage AC/DC-set / 110; 125; 200; 220 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 17 cm = 6.7 inch
Power out
from Radiomuseum.org Model: S425U - Siera; Belgien
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 490 x 330 x 250 mm / 19.3 x 13 x 9.8 inch
Notes
3 Band reception:
  • LW: 750 - 2000 m.
  • BC: 192 - 575 m.
  • SW: 15,5 - 51 m.
Tuning scale light bulbs type: 2 x 8095 (19V, 90mA).
Loudspeaker Philips type 9708. Connectors for second loudspeaker and for pick-up. 
 
This model is comparable with Philips 625USee also Telefunken 365GWK Sw (Philips Eindhoven origin) with foldable lid above the slanted dial.
 
The booklet "Siera memento of tubes and models 1932-1946" mentions a EBL21 as LF output amplifier, which is clearly wrong.

Attention: chassis connected to the mains !

Net weight (2.2 lb = 1 kg) 8.2 kg / 18 lb 1 oz (18.062 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.




  
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