• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1947/1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 11119

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

• Number of Tubes
• 5

• Valves / Tubes
• UCH21 UAF41 UAF41 UL41 UY41

• Main principle
• Superheterodyne (common); ZF/IF 452 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110-125; 200-220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: S194U, S194U -20 - Siera; Belgien

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

• Dimensions (WHD)
• 410 x 290 x 210 mm / 16.1 x 11.4 x 8.3 inch

• Notes
• 3 Band reception:
  • LW: 709 - 2000 m.
  • BC: 175 - 588 m.
  • SW: 16 - 52 m.
  Tuning scale light bulbs type: 8095D (19V, 90mA).
  Loudspeaker Philips type 9726. Connectors for second loudspeaker and for pick-up. 
   
   

• Net weight (2.2 lb = 1 kg)
• 7.5 kg / 16 lb 8.3 oz (16.52 lb)

• Price in first year of sale
• 455.00 SFR

• External source of data
• E. Erb 3-907007-36-0

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• Literature/Schematics (1)
• -- Original-techn. papers. (Generic model 194U by Philips dated 1948)

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 465 models, 424 with images and 199 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien