• Country
• Soviet Union

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

• Year
• 1958

• Category
• Commercial Transmitter & Receiver (TRX not Amateur)

• Radiomuseum.org ID
• 130737

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

• Number of Tubes
• 6

• Valves / Tubes
• 2П1П 2П1П 2П1П 1П2Б 1П2Б 2П1П

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Batteries (any type) / 220; 2,5 & 3 & 40 & 120 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: RUM-1 {РУМ-1} - Unknown - CUSTOM BUILT: Soviet

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Tube radio transmitter and receiver, designed for modelling amateurs - for small ship's radio operating. Frequency - 29,2 MHz. Transmiter send six separate low frequency signals. Signals - after resonanse in receiver, go to six dispense devices.
  Very good quality device - probably produced in one of SU military plants.
  First such tube radio operating system in SU.

• Mentioned in
• - - Data from my own collection

• Literature/Schematics (1)
• -- Schematic

• 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