• Country
• Soviet Union

• Manufacturer / Brand
• Nizhegorodsky Lenin Works (NITEL)

• Year
• 1925/1926

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 91849

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Wave bands
• Broadcast and LongWave in ONE range.

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: LDV-7 {ЛДВ-7} - Nizhegorodsky Lenin Works

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 235 x 120 x 130 mm / 9.3 x 4.7 x 5.1 inch

• Notes
• 1924-1926 in Moscow Electrotrust worshops manufaktured 5 models crystal radio sets LDV-2, 3, 4, 5, 7 - very similar - small differences. Coverage near 200-2000 m. Set-in-crystal detector model DS for all.

• Net weight (2.2 lb = 1 kg)
• 1.1 kg / 2 lb 6.8 oz (2.423 lb)

• Mentioned in
• -- Collector info (Sammler)

• Author
• Model page created by Zenonas Langaitis. See "Data change" for further contributors.

• Other Models

• Here you find 12 models, 12 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nizhegorodsky Lenin Works (NITEL)