• Year
  • 1948
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 227993

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 4.5 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Drie lamper "Bi-lambda" - Amroh NV Radio Bulletin
  • Shape
  • Chassis only or for «building in»
  • Notes
  • The Bi-lambda is described as "3 lamper" (with 3 tubes) because in those days the rectifier tube (AZ1) was not counted.

    Not only the loudspeaker is external but also the L.S. transformer, to be mounted on the loudspeaker.

  • Author
  • Model page created by Rob Majoor. See "Data change" for further contributors.

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