• Country
• Soviet Union

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Soviet Union

• Year
• 1964 ?

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 89809

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

• Number of Tubes
• 7

• Valves / Tubes
• 6Н3П 6Н3П 6Н3П 6Н3П 6Н3П 6Н6П 6П1П

• Main principle
• Audio-Amplification

• Details
• Tape Recorder

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: Звук - М64 Zvuk - M64 - Unknown - CUSTOM BUILT: Soviet

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

• Dimensions (WHD)
• 550 x 300 x 460 mm / 21.7 x 11.8 x 18.1 inch

• Notes
• Tape recorder for military and special-intelligence service usage in past USSR. Used in special radio equipment-complex R-389 (with radio receivers R-250, R-721 etc.)
  Three tape speeds: 79,2; 38,1; 28,0; 19,05; 9,53 cm/sek. Three motors. 500 meter tape in bobbin. Operate with one or two remote controls.

• Net weight (2.2 lb = 1 kg)
• 48 kg / 105 lb 11.6 oz (105.727 lb)

• Source of data
• -- Collector info (Sammler)

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

• Other Models

• Here you find 172 models, 158 with images and 37 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Soviet Union