Short-Wave Converter

Kolster; USA

  • Year
  • 1932
  • Category
  • Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
  • Radiomuseum.org ID
  • 45653
    • Brand: International

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

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • RF Converter/Adapter (not voltage converter)
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Alternating Current supply (AC) / 100-110; 110-120 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: Short-Wave Converter - Kolster; USA
  • Notes
  • +B supply from receiver.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before

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