• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1953/1954 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 133685

• Number of Tubes
• 4

• Valves / Tubes
• DK92 DF91 DAF91 DL94

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

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Line / Batteries (any type)

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: S381B05 - Siera; Belgien

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 290 x 190 x 147 mm / 11.4 x 7.5 x 5.8 inch

• Net weight (2.2 lb = 1 kg)
• 2.8 kg / 6 lb 2.7 oz (6.167 lb)

• Source of data
• - - Data from my own collection

• Other Models

• Here you find 474 models, 434 with images and 212 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien