• Country
• Poland

• Manufacturer / Brand
• PZT - Państwowe Zakłady Tele- i Radiotechniczne; Warsawa

• Year
• 1932–1939

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 112380

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

• Main principle
• Crystal or Solid State Detector

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Detefon RDI.s.I [PZT] - PZT - Państwowe Zakłady Tele-

• Dimensions (WHD)
• 110 x 80 x 150 mm / 4.3 x 3.1 x 5.9 inch

• Notes
• Firmenkennzeichen PZT befinden sich sichtbar am Bakelitgehäuse unter dem Kristallhalter und am Boden.

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

• Price in first year of sale
• 52.00 zl

• Source of data
• - - Data from my own collection

• Mentioned in
• Zlote Lata Radia, Polen

• Other Models

• Here you find 25 models, 22 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from PZT - Państwowe Zakłady Tele- i Radiotechniczne; Warsawa