• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1947 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 303165

• Number of Tubes
• 4

• Valves / Tubes
• ECH3 ECF1 EBL1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 472 kHz

• Tuned circuits
• 6 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 18 cm = 7.1 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: S220A - Siera; Belgien

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

• Dimensions (WHD)
• 420 x 295 x 230 mm / 16.5 x 11.6 x 9.1 inch

• Notes

• Similar to Radiola RA73A and Philips BF371A.

  Probably made in Suresnes (France).

• Net weight (2.2 lb = 1 kg)
• 7.8 kg / 17 lb 2.9 oz (17.181 lb)

• Author
• Model page created by Ekrem Cengiz Bilgin. 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