• Country
• Netherlands

• Manufacturer / Brand
• Havened, Radio Techn.(Handels) Bur., Den Haag

• Year
• 1926

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 69503

• Number of Tubes
• 1

• Valves / Tubes
• 373

• from Radiomuseum.org
• Model: Audios EG50 - Havened, Radio Techn.Handels

• Notes
• Information taken from Radio Expres 26/51. Picture Nr.: 163.03

• Price in first year of sale
• 40.00 Hfl

• External source of data
• Radio Amateur Museum / Frans J.J. Driesens + ISBN 90-76014-04-3.

• Source of data
• Opkomst van de Nederlandse Radio-Industrie

• Mentioned in
• Radio-Expres, Netherlands (Nr. 51, 1926)

• Other Models

• Here you find 7 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Havened, Radio Techn.(Handels) Bur., Den Haag