• Year
  • 1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 30985

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 475 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 230 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch
  • Power out
  • 4 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Principal Prototyp - Joba-Radio; St. Ingbert
  • Dimensions (WHD)
  • 510 x 315 x 240 mm / 20.1 x 12.4 x 9.4 inch
  • Notes
  • Prototyp ohne Serien-Nr., war nicht im Verkauf, Rote Röhren
  • Net weight (2.2 lb = 1 kg)
  • 7.5 kg / 16 lb 8.3 oz (16.52 lb)
  • Source of data
  • -- Collector info (Sammler) / Radiokatalog Band 2, Ernst Erb
  • Author
  • Model page created by Jacob Roschy. See "Data change" for further contributors.

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

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