• Country
• Soviet Union

• Manufacturer / Brand
• Leningrad Kozitsky Works

• Year
• 1939

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 145336

• • alternative name: Radiotelegraf Works

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Wire Recorder (or -Player)

• Power type and voltage
• Alternating Current supply (AC) / 220 ; 127 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: PM-39 - Leningrad Kozitsky Works

• Shape
• Console, Lowboy (legs < 50 %).

• Notes
• Wire Recorder for special and military usage.
  Signal recorded to very thin steel wire. One wire bobbin record (play) time 20 - 24 h. Wire speed variable 10-60 cm/sec. About 3-4 km wire per bobbin. Record frequency range 300 - 7000 Hz (max speed).
  Small serie produced.

• 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