• Country
• Belgium

• Manufacturer / Brand
• Alfa-Radio, Société Industrielle Alfa (SIA); Bruxelles

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 278567

• Number of Tubes
• 6

• Valves / Tubes
• 6A7 6D6 75 43 6G5 25Z5 or 25Y5

• Main principle
• Superheterodyne (common); ZF/IF 123 kHz

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

• Power type and voltage
• AC/DC-set

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet. / Ø 22 cm = 8.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Midina U - Alfa-Radio, Société

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

• Notes
• 25Z5 pour 110 VDC

  25Y5 pour 220 VDC

• Price in first year of sale
• 2,390.00 BEF

• Mentioned in
• -- Original prospect or advert (Auriema Radio; Prix-Courant General nº 4 Septembre 1937)

• Other Models

• Here you find 33 models, 31 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Alfa-Radio, Société Industrielle Alfa (SIA); Bruxelles