• Country
• Netherlands

• Manufacturer / Brand
• Besra; Amsterdam

• Year
• 1924 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 70625

• Number of Tubes
• 1

• Valves / Tubes
• R120B

• Number of Transistors

• Semiconductors
• unknown_ballast

• Wave bands
• - without

• Details
• Power: B-Battery Eliminator

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Accu Gelijkrichter [R120B] - Besra; Amsterdam

• Notes
• 1.1amp ballast tube; accu charger and filament supply

• External source of data
• own collection

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Besra; Amsterdam