• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1932/1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 98636

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

• Number of Tubes
• 6

• Valves / Tubes
• S4VB S4VB 244VX 244VX PM24A DW2X

• Main principle
• TRF without regeneration; 3 AF stage(s)

• Tuned circuits
• 4 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 19.5 cm = 7.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super Inductance S6 - Siera; Belgien

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 420 x 545 x 300 mm / 16.5 x 21.5 x 11.8 inch

• Notes
• Principle: Super Inductance. 2 Band reception:
  • LW: 800 - 2000 m.
  • BC: 200 - 600 m.
  Tuning scale light bulb type: 8056 (6V, 200mA).
  Loudspeaker Philips type 2151. Connector for second high impedance loudspeaker

  This radio is the electronic equivalent of Philips 630A.

  The rudimentary drawing of the models cabinet comes from the Siera vademecum and from the related Siera memento 1932-46. The picture is wrong, even the tuning scale is not present.

• Net weight (2.2 lb = 1 kg)
• 19.5 kg / 42 lb 15.2 oz (42.952 lb)

• Price in first year of sale
• 3,250.00 BEF

• 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