• Country
• Poland

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

• Year
• 1971 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 221214

• • Brand: Unitra

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Four Trace Unit OS150-4 - Unitra ZRK, Zaklady Radiowe im

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 155 x 180 x 260 mm / 6.1 x 7.1 x 10.2 inch

• Notes
• Vierkanalverstärker für das Oszilloskop OS150

• Net weight (2.2 lb = 1 kg)
• 2.3 kg / 5 lb 1.1 oz (5.066 lb)

• Author
• Model page created by Reinhard Riek. 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