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S7U

S7U; Siera; Belgien (ID = 1913383) Radio
 
S7U; Siera; Belgien (ID = 1913384) Radio
 
S7U; Siera; Belgien (ID = 1913385) Radio
 
S7U; Siera; Belgien (ID = 1913386) Radio
 
S7U; Siera; Belgien (ID = 1913387) Radio
 
S7U; Siera; Belgien (ID = 1913388) Radio
S7U; Siera; Belgien (ID = 1024669) Radio
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S7U; Siera; Belgien (ID = 1024669) Radio
Siera; Belgien: S7U [Radio] ID = 1024669 497x595
Select picture or schematic to display from thumbnails on the right and click for download.
For model S7U, Siera; Belgien:
Bild aus Siera-Vademecum.
 
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1936 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: EK2 EF5 EBC3 EL3 EZ3
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 Visual Tuning Indicator pre Eye
Power type and voltage AC/DC-set / 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: S7U - Siera; Belgien
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Dimensions (WHD) 390 x 460 x 275 mm / 15.4 x 18.1 x 10.8 inch
Notes
3 Band reception:
  • LW: 725 - 1975 m.
  • BC: 198 - 585 m.
  • SW: 16 - 51 m.
Tuning scale light bulbs type: 2 x 8045 (6,3V, 320mA) and 1 x 8043 (6,3V, 90mA).
Loudspeaker Philips type 9602. Connectors for second loudspeaker and for pick-up. 
Variable selectivity, anti-fading and a milliamperemeter as tuning indicator. 
Cabinet in varnished walnut.
 
The Siera memento 1932-1946 mentions the same tube line-up for types S7A and S7U. When fed by a DC mains, the power must pass via vibrator converter and not directly into the radio as usual with a AC/DC set.
Net weight (2.2 lb = 1 kg) 15 kg / 33 lb 0.6 oz (33.04 lb)
Price in first year of sale 2'950.00 BFr
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 178 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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