SI-235 {СИ-235}

• Country
• Soviet Union

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

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 78126

• Picture
• Schematics

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

• Number of Tubes
• 4

• Valves / Tubes
• СО-148 СО-124 СО-122 ВО-230

• Main principle
• TRF with regeneration

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110, 127, 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: SI-235 {СИ-235} - MEMZA Electromechanical Works

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 340 x 410 x 220 mm / 13.4 x 16.1 x 8.7 inch

• Notes
• Kenotron vo-230 or vo-202.
  Frequency range LW: 150-420 kHz (2000-714 m) and MW: 550-1500 kHz (545-200m).

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Mentioned in
• E.A. Levitin et al., Radiovecsiatelnyje prijomniki, Moscow KOIZ 1949

• Literature/Schematics (1)
• Past Soviet Union magazine RADIOFRONT Nr.17,18, 24 - 1935

• 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