• Year
  • 1932–1939 ?
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 104445

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Echo D1 - PZT - Państwowe Zakłady Tele-
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 80 x 80 x 75 mm / 3.1 x 3.1 x 3 inch
  • Notes
  • Rundes Bakelit-Gehäuse mit eingebautem Kristall (Apfel gennant). Nur fur eine Station Warszawa 1 (Langwellenbereich 225 kHz).
  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Price in first year of sale
  • 41.00 zl
  • Source of data
  • - - Data from my own collection

 Collections | Museums | Literature

Collections

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

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