• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 99290

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

• Number of Transistors
• 7

• Semiconductors
• 2N371 OC45 OC45 OC71 OC71 OC72 OC72 OA79 OA85

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

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

• Power type and voltage
• Dry Batteries / 4 × 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 0.2 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: SA6131T /00 /17 /19 /32 - Siera; Belgien

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 260 x 185 x 100 mm / 10.2 x 7.3 x 3.9 inch

• Notes

• Version /32 uses in the mixer stage the transistor OC170 instead of type 2N371.

  See also Philips model L3F96T and Radiola model RA395T.

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Jean-Paul Moriamé. See "Data change" for further contributors.

• Other Models

• Here you find 452 models, 413 with images and 181 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien