• Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 98617

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

 Technical Specifications

  • Number of Tubes
  • 5
  • 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
  • Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: S4A - Siera; Belgien
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 340 x 400 x 270 mm / 13.4 x 15.7 x 10.6 inch
  • Notes
  • 3 Band reception:
    • LW: 725 - 2000 m.
    • BC: 198 - 585 m.
    • SW: 16 - 51 m.
    Tuning scale light bulb type: 8045D (6,3V, 320mA).
    Loudspeaker Philips type 2369. Connectors for second loudspeaker and for pick-up. 
     
    This model is comparable with Fenno Seura V SRA (S4A), Ténor T4A-20 and Philips_456A-20.
  • Net weight (2.2 lb = 1 kg)
  • 12.2 kg / 26 lb 14 oz (26.872 lb)
  • Price in first year of sale
  • 2,200.00 BFR
  • 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.

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