• Year
  • 1951–1958
  • Category
  • Military Transceiver (TRX)
  • Radiomuseum.org ID
  • 288136
    • Brand: Supraphon

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

 Technical Specifications

  • Number of Tubes
  • 16
  • Main principle
  • Transceiver
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Power out
  • 1.5 W (6 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: RM-31 - Tesla; Praha, Bratislava etc.
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 320 x 230 x 300 mm / 12.6 x 9.1 x 11.8 inch
  • Notes
  • Frequency switchboard using 30 crystals and 3 oscillators to get 800 channels. Frequency 2000-5995 kHz AM. Output 1,5W at A3 modulation, 3W at A2 and 6W at A1. There are different variants for army. Please note, model RM-31m is much later and different model.

     

     

     

  • Net weight (2.2 lb = 1 kg)
  • 22 kg / 48 lb 7.3 oz (48.458 lb)
  • Author
  • Model page created by David Srutek. See "Data change" for further contributors.

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