• Year
  • 1946
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 252770

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 472 kHz; 2 AF stage(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: AR21 - Kolster Brandes Ltd. KB, K.B.,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 480 x 280 x 260 mm / 18.9 x 11 x 10.2 inch
  • Notes
  • Table / Farm Radio rather than portable hence option for 2V Lead Acid Rechargeable Accumulator or 1.4V Zinc Carbon Dry cell battery pack for LT (filament).

    HT 120v, LT 1.4 or 2v Total power consumption LT 250mA, HT 9.5mA

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The model is part of the collections of the following members.

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