• Country
• Belgium

• Manufacturer / Brand
• Siera; Belgien

• Year
• 1961 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 217703

• Number of Tubes
• 4

• Valves / Tubes

• Number of Transistors
• 3

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Storage and/or dry batteries / 45 & 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7 inch = 17.8 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: SA3081BT - Siera; Belgien

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 413 x 276 x 180 mm / 16.3 x 10.9 x 7.1 inch

• Notes
• Siera SA 3081BT;
  Two Germanium Diodes.
  MW: 185-580 m
  SW1: 13.6-43.5 m
  SW2: 40.5-136.4 m
  Ferrite aerial, tuning indicator, continuous tone control. Pick-up switch.

• Source of data
• -- Original prospect or advert

• Author
• Model page created by João-Afonso Santos. See "Data change" for further contributors.

• Other Models

• Here you find 474 models, 434 with images and 212 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; Belgien