• Country
• Poland

• Manufacturer / Brand
• Unitra ZRK, Zaklady Radiowe im. M. Kasprzaka

• Year
• 1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 106779

• • Brand: Unitra

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5T 1T4T 1T4T DM70

• Number of Transistors
• 4

• Semiconductors
• OC71 OC72 OC72 OC76

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Line / Batteries (any type) / 220 / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Wooden case

• from Radiomuseum.org
• Model: Malwa 3301 - Unitra ZRK, Zaklady Radiowe im

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 460 x 290 x 230 mm / 18.1 x 11.4 x 9.1 inch

• Net weight (2.2 lb = 1 kg)
• 6.3 kg / 13 lb 14 oz (13.877 lb)

• Price in first year of sale
• 1,400.00 zt

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 215 models, 186 with images and 90 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unitra ZRK, Zaklady Radiowe im. M. Kasprzaka