• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 94457

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH42 EAF42 EBC41 EL41 EM34 AZ41

• Main principle
• Superheterodyne (common); ZF/IF 452 kHz

• Wave bands
• Ready for FM, has Broadcast, Long Wave, several Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 200; 220; 240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 18 cm = 7.1 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: S272A - Siera; Belgien

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

• Dimensions (WHD)
• 500 x 310 x 210 mm / 19.7 x 12.2 x 8.3 inch

• Notes

• Wavebands:
  FM = 87.5 - 100 MHz (requires FM unit)
  SW2a = 9.5 - 12 MHz
  SW2b = 5.92 - 18.2 MHz
  MW = 517 - 1622 kHz
  LW = 150 - 395 kHz

  Loudspeaker: 9746X (5Ω) or 9786X (5Ω) .

  This radio is prepared for FM reception with the use of FM tuner unit 7768-12, in which case 8 tubes are present.

• Net weight (2.2 lb = 1 kg)
• 8.5 kg / 18 lb 11.6 oz (18.722 lb)

• Price in first year of sale
• 5,100.00 BFr

• Source of data
• -- Original prospect or advert

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by Hugo Sneyers. 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