• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 275449

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 7

• Valves / Tubes
• AK1 AF2 E438 AB1 E446 E463 1823

• Main principle
• Superheterodyne (common); ZF/IF 115 kHz

• Wave bands
• Broadcast (MW) and Long Wave.

• Details
• Visual Tuning Indicator pre Eye

• Power type and voltage
• Alternating Current supply (AC) / 105-115; 120-130; 140-160; 210-230; 240-260 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: S45A [tubes AK1, AF2, AB1] - Siera; Belgien

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 415 x 490 x 220 mm / 16.3 x 19.3 x 8.7 inch

• Notes
• The radio has a visual tuning aid using triode E438 and a milliampere meter.
  2 Band reception:
  • LW: 800 - 1900 m.
  • BC: 200 - 550 m.
  Tuning scale light bulbs type: 3 x 8059 (6V, 100mA).
  Loudspeaker Philips type 4283. Connector for second loudspeaker.
   
  See also the similar Tenor T45A.
   
  There is also a version S45A with Mullard tubes.

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• Price in first year of sale
• 2,850.00 BEF

• Source of data
• -- Original prospect or advert

• Mentioned in
• - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Dirk Bladt. See "Data change" for further contributors.

• Other Models

• Here you find 474 models, 434 with images and 212 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien