• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 99014

• Number of Tubes
• 5

• Valves / Tubes
• ECH3 EF9 CBL1 CY1 C1 or C9

• Main principle
• Superheterodyne (common); ZF/IF 128 kHz; 1 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110-130; 200-225 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: S110U - Siera; Belgien

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

• Dimensions (WHD)
• 490 x 330 x 250 mm / 19.3 x 13 x 9.8 inch

• Notes
• 3 Band reception:
  • LW: 708 - 2000 m.
  • BC: 186 - 585 m.
  • SW: 13,8 - 50,5 m.
  Tuning scale light bulbs type: 2 x 8033D (5V, 200mA).
  Loudspeaker Philips type 9682. Connectors for second loudspeaker and for pick-up. 
  The cabinet is made from moulded bakelite with varnished wooden trimmings.
  Current regulator C1 used for 200 - 225 V mains, C9 used for 110 - 130 V mains.
   
  This model is comparable with Philips 655U.
   
  ATTENTION: chassis connected to the mains !

• Net weight (2.2 lb = 1 kg)
• 8.9 kg / 19 lb 9.7 oz (19.604 lb)

• 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 456 models, 415 with images and 190 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien