S38A Mullard tubes

Siera; Belgien

  • Year
  • 1935
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 98782

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 115 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Details
  • Visual Tuning Indicator pre Eye
  • Power type and voltage
  • Alternating Current supply (AC) / 105-260 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: S38A [Mullard tubes] - Siera; Belgien
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 400 x 490 x 230 mm / 15.7 x 19.3 x 9.1 inch
  • Notes
  • 3 Band reception:

    • LW: 700 - 1900 m
    • BC: 170 - 580 m
    • SW: 16.7 - 51 m

    Tuning scale light bulbs type: 2 x 8046 (6 V / 500 mA).
    Loudspeaker Philips type unknown but with permanent magnet.
    Connectors for a second high impedance loudspeaker and a pick-up.
    Cabinet in varnished walnut veneer.

    There is also a version S38A with Philips tubes.

  • Net weight (2.2 lb = 1 kg)
  • 18.5 kg / 40 lb 12 oz (40.749 lb)
  • Price in first year of sale
  • 2,650.00 BEF
  • Mentioned in
  • - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by John Koster. See "Data change" for further contributors.

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