• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1940/1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 97167

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

• Number of Tubes
• 4

• Valves / Tubes
• ECH3 EF9 EBL1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 128 kHz; 1 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 17 cm = 6.7 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: S144A - Siera; Belgien

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

• Dimensions (WHD)
• 460 x 330 x 230 mm / 18.1 x 13 x 9.1 inch

• Notes
• 3 Band reception:
  • LW: 708 - 2000 m.
  • BC: 175 - 585 m.
  • SW: 13,8 - 51 m.

  Tuning scale light bulbs type: 2 x 8045 (6,3V, 320mA).

  Loudspeaker Philips type 9648 or 9678. Connectors for second loudspeaker and for pick-up. 

   

• Net weight (2.2 lb = 1 kg)
• 8.3 kg / 18 lb 4.5 oz (18.282 lb)

• Price in first year of sale
• 115.00 Hfl

• Source of data
• Technisch- Commercieel - Radio Vademecum Staleman

• 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 456 models, 414 with images and 188 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien