• Country
• Netherlands

• Manufacturer / Brand
• Idzerda-Radio, N.V., Fabriek van Radio-apparaten,

• Year
• 1918

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 69778

• • alternative name: Nederlandsche Radio Industrie

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

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

• Power type and voltage
• Storage and/or dry batteries / 4-6 & 20 & -8 Volt

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: HF I - Idzerda-Radio, N.V., Fabriek

• Notes
• Information taken from Radio Nieuws18/6. Picture Nr.: 003.13

• 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-Nieuws, Netherlands (RN, 78)

• Literature/Schematics (1)
• - - Manufacturers Literature

• Other Models

• Here you find 66 models, 29 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Idzerda-Radio, N.V., Fabriek van Radio-apparaten,