• Country
• Soviet Union

• Manufacturer / Brand
• Leningrad Kozitsky Works

• Year
• 1935 ?

• Category
• Military Receiver

• Radiomuseum.org ID
• 226855

• • alternative name: Radiotelegraf Works

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

• Number of Tubes
• 4

• Valves / Tubes
• СБ-112 УБ-107 УБ-110 УБ-110

• Main principle
• TRF with regeneration

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

• Power type and voltage
• Storage and/or dry batteries / 4 & 80 & 160 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: PD-4 - ПД-4 - Leningrad Kozitsky Works

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 390 x 310 x 220 mm / 15.4 x 12.2 x 8.7 inch

• Notes

• Wave bands: 200 to 20000 m/ (1520 to 15 kHz).

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Sergey Kashekhlebov. See "Data change" for further contributors.

• Other Models

• Here you find 74 models, 65 with images and 47 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Leningrad Kozitsky Works