• Year
  • 1932 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 137438
    • Brand: Ferrodyne

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

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superhet with RF-stage; ZF/IF 177,5 kHz
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 1203 Ch= R-120 - Stewart Warner Corp.; Chicago
  • Notes
  • Model 1203 uses chassis R120; mains supply 115 V (60 cycles) or 115-260 V (25-60 cycles, export model); push-pull af output stage.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 4 = ca. 1934 and before

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