• Year
  • 1932 ?
  • Category
  • Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
  • Radiomuseum.org ID
  • 35592

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Valves / Tubes
  • Main principle
  • RF Converter/Adapter (not voltage converter); ZF/IF 1000 kHz
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: 55 - Colonial Radio Co.; Long
  • Notes
  • Converts 3 SW-bands to the BC-band; output frequency = 1000 Kc.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before

 Collections | Museums | Literature

 Forum