• Country
• France

• Manufacturer / Brand
• Hélios, Societé Radioélectrique; Paris.

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 236379

• Number of Tubes
• 6

• Valves / Tubes

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Radio-Valise Helios-Six - Hélios, Societé

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

• Notes

• Réception sans cadre ni antenne. Toutes stations.

• Mentioned in
• -- Original prospect or advert

• Literature/Schematics (2)
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 202)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 8 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hélios, Societé Radioélectrique; Paris.