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S111U

S111U; Siera; Belgien (ID = 516468) Radio S111U; Siera; Belgien (ID = 516469) Radio
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S111U; Siera; Belgien (ID = 516468) Radio
Siera; Belgien: S111U [Radio] ID = 516468 611x420
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For model S111U, Siera; Belgien
 
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1942–1946 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UCH21 UCH21 UBL21 UY1N
schematic requested
Main principle Superheterodyne (common); ZF/IF 432 kHz; 2 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 / see notes: (110) 125; (200) 220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch
Power out
from Radiomuseum.org Model: S111U - 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. No connectors for external loudspeaker or pick-up. 
This model is comparable with Philips 661U and Philips 713U. For a usable schematic, see the Philips 661U.

The mains voltage can be chosen with a selector between 2 voltages: 125 and 220 Volt. In order to get the 110 or 200 Volt choice, a manual short circuit of resistor R38 must be made.

This model S111U was first commercialised in 1942 and again after the war in 1946 with the same properties as far as can be seen on the available documents.

Attention: chassis connected to the mains !

Net weight (2.2 lb = 1 kg) 8.9 kg / 19 lb 9.7 oz (19.604 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 435 models, 394 with images and 178 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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