Szarotka Hybrid

Unitra ZRK, Zaklady Radiowe im. M. Kasprzaka

Data
Forum
Pictures
Collections

  • Year
  • 1958
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 228080
    • Brand: Unitra

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Dry Batteries / 4 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Szarotka [Hybrid] - Unitra ZRK, Zaklady Radiowe im
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes

  • Combined tube/transistor hybrid prototype unit.

    Anode voltage generated by a transistor inverter.

    Presented at the international trade fair in Poznan 1958.

    Easy identifying by the oval front speaker grille.

    Mass production never started due of the availability of cheap RF transistors.  

  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum