• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 98784

• Number of Tubes
• 5

• Valves / Tubes
• AK2 AF3 ABC1 AL4 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.

• 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 cm = 8.3 inch

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: S2A - Siera; Belgien

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 420 x 330 x 150 mm / 16.5 x 13 x 5.9 inch

• Notes
• 3 Band reception:
  • LW: 725 - 2000 m.
  • BC: 200 - 575 m.
  • SW: 16 - 51 m.
  Tuning scale light bulbs type: 8041 (4V, 100mA).
  Loudspeaker Philips type 9617. Connector for pick-up. 
   
  This model is the equivalent of Philips V6A. There is no chassis. While the cabinet is different, the internal position of the parts is the same.

• Net weight (2.2 lb = 1 kg)
• 10.5 kg / 23 lb 2 oz (23.128 lb)

• Price in first year of sale
• 1,350.00 BFr

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

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 452 models, 413 with images and 181 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien