• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 275422

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

• Number of Tubes
• 5

• Valves / Tubes
• S4VB S4VB 244VX PM24A DW2X

• Main principle
• TRF without regeneration

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

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

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles). / Ø 28 cm = 11 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super Inductance S5B - Siera; Belgien

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

• Dimensions (WHD)
• 410 x 490 x 220 mm / 16.1 x 19.3 x 8.7 inch

• Notes
• Principle: Super Inductance. 2 Band reception:
  • LW: 850 - 2000 m.
  • BC: 200 - 600 m.
  Tuning scale light bulb type: 8046 (6V, 500mA).

  Loudspeaker Philips type 2300. Connector for second high impedance loudspeaker and for pick-up. 

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

• Author
• Model page created by Dirk Bladt. 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