S38A Philips tubes

Siera; Belgien

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  • Year
  • 1935 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 275557

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 [Philips 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 4283.
    Connectors for a second high impedance loudspeaker and a pick-up.
    Cabinet in varnished walnut veneer.

    See also the similar Tenor T38A.
    There is also a version S38A with Mullard tubes.

    There is probably an error in the Sierra Memento with mixed Philips and Mullard tubes, listing SP4 instead of E446, AL2 instead of E463 and DW2X instead of 506.

  • Net weight (2.2 lb = 1 kg)
  • 18.5 kg / 40 lb 12 oz (40.749 lb)
  • Mentioned in
  • - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Philips Voorschrift Siera S38A, S38A-23, 1935)
  • Author
  • Model page created by Dirk Bladt. See "Data change" for further contributors.

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