• Country
• Netherlands

• Manufacturer / Brand
• Minimax, Radio-Onderneming, Beek en Donk

• Year
• 1923

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 268512

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 1

• Valves / Tubes
• unknown_Tube

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: BKD III 6 - Minimax, Radio-Onderneming,

• Shape
• Tablemodel, slant panel.

• Notes

• This model was manufactured by Cor Thijssens in 1923 for the "Radio Instituut Steehouwer" in Rotterdam, where he got his education as radio telegraphist in 1920-1921.

  This very model is shown on a picture in an article about the mentioned institute in the radio magazine "Radio Wereld" of December 25, 1924.

• Price in first year of sale
• 125.00 Hfl

• Mentioned in
• Radio Historisch Tijdschrift, Nr. 151, Dezember 2014

• Author
• Model page created by Gidi Verheijen. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 21 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Minimax, Radio-Onderneming, Beek en Donk