• Country
• Soviet Union

• Manufacturer / Brand
• Leningrad Kozitsky Works

• Year
• 1925–1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 90707

• • alternative name: Radiotelegraf Works

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

• Number of Tubes
• 4

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

• Main principle
• TRF with regeneration

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 4-5/80 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: BČ {БЧ} - Leningrad Kozitsky Works

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 375 x 170 x 240 mm / 14.8 x 6.7 x 9.4 inch

• Notes
• Coverage 280-1900 meters in 4 ranges. Originally "mikro" tubes have been used for "BCh", same as "pt-2". Abbreviation "BCh" stands for "Borousevich, 4-tube receiver" where "Borousevich" is the name of famous Soviet radio engineer of 1920s and 1930s. Dimensions of front wall are 375 x 80 mm, and of top panel 375 x 90 mm.

• Net weight (2.2 lb = 1 kg)
• 2.5 kg / 5 lb 8.1 oz (5.507 lb)

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

• Mentioned in
• -- Collector info (Sammler)

• Author
• Model page created by Zenonas Langaitis. 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