• Year
  • 1952/1953
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 9881

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 451 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Line / Batteries (any type)
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Portable 531-F3 - Minerva-Radio Radiola-
  • Dimensions (WHD)
  • 325 x 225 x 135 mm / 12.8 x 8.9 x 5.3 inch
  • Notes
  • Ohne UL41 für Batt-Betrieb.
    (evtl. nur Export); Ferrit- statt Rahmenantenne.
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Circuit diagram reference
  • Lange-Nowisch
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

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

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