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S53A -20

S53A -20; Siera; Belgien (ID = 1918662) Radio
 
S53A -20; Siera; Belgien (ID = 1918663) Radio
 
S53A -20; Siera; Belgien (ID = 1918664) Radio
 
S53A -20; Siera; Belgien (ID = 1918665) Radio
 
S53A -20; Siera; Belgien (ID = 1918666) Radio
 
S53A -20; Siera; Belgien (ID = 1918667) Radio
 
S53A -20; Siera; Belgien (ID = 1918668) Radio
 
S53A -20; Siera; Belgien (ID = 1918669) Radio
 
S53A -20; Siera; Belgien (ID = 1918670) Radio
 
S53A -20; Siera; Belgien (ID = 1918671) Radio
S53A -20; Siera; Belgien (ID = 1918661) Radio
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S53A -20; Siera; Belgien (ID = 1918661) Radio
Siera; Belgien: S53A -20 [Radio] ID = 1918661 377x239
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For model S53A -20, Siera; Belgien:
from Siera memento of tubes and models 1932-1946
 
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: EK2 EF9 EBC3 EBL1 EM1 AZ1
Main principle Superheterodyne (common); ZF/IF 128 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch
Power out
from Radiomuseum.org Model: S53A -20 - Siera; Belgien
Material Wooden case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 535 x 355 x 230 mm / 21.1 x 14 x 9.1 inch
Notes
3 Band reception:
  • LW: 720 - 2000 m.
  • BC: 195 - 585 m.
  • SW: 16,7 - 51 m.
Tuning scale light bulbs type: 3 x 8045 (6,3V, 320mA).
Some other properties:
  • Loudspeaker Philips type 9602, having an extra cone to reduce the beaming effect at high frequencies. 
  • Connectors for second loudspeaker and for pick-up. 
  • Variable selectivity coupled to the tone control. 
  • Eight preselection buttons and manual tuning. 
  • AF feedback circuitry to reduce distortion.
This model is comparable with Philips 750AJura 53A and Dux V96.
 
This variant -20 from model S53A differs in the power transformer and tuning scale. It is not known for sure to which country it was destined.
 
Mentioned in -- Original-techn. papers.

Model page created by Dirk Bladt. 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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