• Country
• Soviet Union

• Manufacturer / Brand
• MEMZA Electromechanical Works (ex VTU), Moscow

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 91078

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

• Number of Tubes
• 1

• Valves / Tubes
• МИКРО or МДС

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 4/8-16:45-80 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: PL-1 {ПЛ-1} - MEMZA Electromechanical Works

• Shape
• Tablemodel, with any shape - general.

• Notes
• Coverage 270-1800 meters in 4 ranges.
  Set may used as simple crystal radio too.
  Schematic same as PL-2 without 2nd stage (only 1 tube).
  Two tube variants - tube mds - 8-16 V , tube mikro - 40-80 V anode voltage.

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

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

• Other Models

• Here you find 18 models, 18 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MEMZA Electromechanical Works (ex VTU), Moscow