S17A, S17A -23, S17A -33

• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 95864

• Picture
• Schematics

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

• Number of Tubes
• 6

• Valves / Tubes
• EK2 EF5 EBC3 EBL1 EM1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 128 kHz; 2 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 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: S17A, S17A -23, S17A -33 - Siera; Belgien

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

• Dimensions (WHD)
• 490 x 335 x 245 mm / 19.3 x 13.2 x 9.6 inch

• Notes
• 3 Band reception:
  • LW: 720 - 2000 m.
  • BC: 195 - 585 m.
  • SW: 16,7 - 51 m.
  Tuning scale light bulbs type: 3 x 8045 (6,3V, 320mA).
  Loudspeaker Philips type 9618. Connectors for second loudspeaker and for pick-up.  
   
  This model is comparable with Philips 667A, NSF H17A and Tenor T17A.

  This radio can work on DC mains by inserting a vibrator convertor type 7928/05.

  S17A -23 would have a greater weight according to the technical manual. No further info available at this moment.

  S17A -33 is the same as S17A but with a different loudspeaker: type 9622.

• Net weight (2.2 lb = 1 kg)
• 13.3 kg / 29 lb 4.7 oz (29.295 lb)

• Price in first year of sale
• 2,425.00 BEF

• Mentioned in
• - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)

• Literature/Schematics (1)
• -- Original-techn. papers. (Generic model 17A by Philips dated 1937)

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 456 models, 414 with images and 188 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien